Finding the Fourth Proportional to 114,472.56, 157,972.59 and 63,490.05

Step by Step Solution

1. Step 1: Write the proportion equation
   114,472.56 : 157,972.59 = 63,490.05 : x
2. Step 2: Convert to fraction form
   114,472.56/157,972.59 = 63,490.05/x
3. Step 3: Cross multiply
   114,472.56x = 157,972.59 × 63,490.05
4. Step 4: Simplify right side
   114,472.56x = 10,029,687,637.73
5. Step 5: Solve for x
   x = 10,029,687,637.73/114,472.56
6. Step 6: Final answer
   x = 87,616.52