Finding the Fourth Proportional to 131,456,526.28, 197,202,732.54 and 54,761,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,456,526.28 : 197,202,732.54 = 54,761,614.72 : x
2. Step 2: Convert to fraction form
   131,456,526.28/197,202,732.54 = 54,761,614.72/x
3. Step 3: Cross multiply
   131,456,526.28x = 197,202,732.54 × 54,761,614.72
4. Step 4: Simplify right side
   131,456,526.28x = 10,799,140,061,086,686
5. Step 5: Solve for x
   x = 10,799,140,061,086,686/131,456,526.28
6. Step 6: Final answer
   x = 82,149,896.75