Finding the Fourth Proportional to 207,224,949.31, 286,099,488.69 and 131,913,770.56

Step by Step Solution

1. Step 1: Write the proportion equation
   207,224,949.31 : 286,099,488.69 = 131,913,770.56 : x
2. Step 2: Convert to fraction form
   207,224,949.31/286,099,488.69 = 131,913,770.56/x
3. Step 3: Cross multiply
   207,224,949.31x = 286,099,488.69 × 131,913,770.56
4. Step 4: Simplify right side
   207,224,949.31x = 37,740,462,308,385,976
5. Step 5: Solve for x
   x = 37,740,462,308,385,976/207,224,949.31
6. Step 6: Final answer
   x = 182,123,158.60