Finding the Fourth Proportional to 2,113,644,499.20, 3,160,263,081.60 and 1,562,646,470.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,644,499.20 : 3,160,263,081.60 = 1,562,646,470.40 : x
2. Step 2: Convert to fraction form
   2,113,644,499.20/3,160,263,081.60 = 1,562,646,470.40/x
3. Step 3: Cross multiply
   2,113,644,499.20x = 3,160,263,081.60 × 1,562,646,470.40
4. Step 4: Simplify right side
   2,113,644,499.20x = 4,938,373,949,997,667,328
5. Step 5: Solve for x
   x = 4,938,373,949,997,667,328/2,113,644,499.20
6. Step 6: Final answer
   x = 2,336,425,994.00