Finding the Fourth Proportional to 131,300,221.49, 181,194,868.48 and 71,762,716.76

Step by Step Solution

1. Step 1: Write the proportion equation
   131,300,221.49 : 181,194,868.48 = 71,762,716.76 : x
2. Step 2: Convert to fraction form
   131,300,221.49/181,194,868.48 = 71,762,716.76/x
3. Step 3: Cross multiply
   131,300,221.49x = 181,194,868.48 × 71,762,716.76
4. Step 4: Simplify right side
   131,300,221.49x = 13,003,036,025,369,272
5. Step 5: Solve for x
   x = 13,003,036,025,369,272/131,300,221.49
6. Step 6: Final answer
   x = 99,032,856.75