Finding the Fourth Proportional to 2,115,064,632,813.20, 3,173,219,404,584.60 and 682,445,651,769.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,064,632,813.20 : 3,173,219,404,584.60 = 682,445,651,769.72 : x
2. Step 2: Convert to fraction form
   2,115,064,632,813.20/3,173,219,404,584.60 = 682,445,651,769.72/x
3. Step 3: Cross multiply
   2,115,064,632,813.20x = 3,173,219,404,584.60 × 682,445,651,769.72
4. Step 4: Simplify right side
   2,115,064,632,813.20x = 2,165,549,784,770,060,113,412,096
5. Step 5: Solve for x
   x = 2,165,549,784,770,060,113,412,096/2,115,064,632,813.20
6. Step 6: Final answer
   x = 1,023,869,318,778.08