Finding the Fourth Proportional to 131,598,676.63, 181,608,944.52 and 72,062,473.15

Step by Step Solution

1. Step 1: Write the proportion equation
   131,598,676.63 : 181,608,944.52 = 72,062,473.15 : x
2. Step 2: Convert to fraction form
   131,598,676.63/181,608,944.52 = 72,062,473.15/x
3. Step 3: Cross multiply
   131,598,676.63x = 181,608,944.52 × 72,062,473.15
4. Step 4: Simplify right side
   131,598,676.63x = 13,087,189,688,272,342
5. Step 5: Solve for x
   x = 13,087,189,688,272,342/131,598,676.63
6. Step 6: Final answer
   x = 99,447,730.20