Finding the Fourth Proportional to 2,692,000.56, 4,038,782.69 and 870,326.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692,000.56 : 4,038,782.69 = 870,326.61 : x
2. Step 2: Convert to fraction form
   2,692,000.56/4,038,782.69 = 870,326.61/x
3. Step 3: Cross multiply
   2,692,000.56x = 4,038,782.69 × 870,326.61
4. Step 4: Simplify right side
   2,692,000.56x = 3,515,060,047,114.38
5. Step 5: Solve for x
   x = 3,515,060,047,114.38/2,692,000.56
6. Step 6: Final answer
   x = 1,305,742.69