Finding the Fourth Proportional to 157,510.59, 217,356.72 and 89,518.58

Step by Step Solution

1. Step 1: Write the proportion equation
   157,510.59 : 217,356.72 = 89,518.58 : x
2. Step 2: Convert to fraction form
   157,510.59/217,356.72 = 89,518.58/x
3. Step 3: Cross multiply
   157,510.59x = 217,356.72 × 89,518.58
4. Step 4: Simplify right side
   157,510.59x = 19,457,463,393.48
5. Step 5: Solve for x
   x = 19,457,463,393.48/157,510.59
6. Step 6: Final answer
   x = 123,531.15