Finding the Fourth Proportional to 2,520,531,892.08, 3,781,391,697.72 and 862,457,229.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,531,892.08 : 3,781,391,697.72 = 862,457,229.72 : x
2. Step 2: Convert to fraction form
   2,520,531,892.08/3,781,391,697.72 = 862,457,229.72/x
3. Step 3: Cross multiply
   2,520,531,892.08x = 3,781,391,697.72 × 862,457,229.72
4. Step 4: Simplify right side
   2,520,531,892.08x = 3,261,288,608,101,798,912
5. Step 5: Solve for x
   x = 3,261,288,608,101,798,912/2,520,531,892.08
6. Step 6: Final answer
   x = 1,293,889,047.13