Finding the Fourth Proportional to 157,061.36, 216,695.71 and 89,073

Step by Step Solution

1. Step 1: Write the proportion equation
   157,061.36 : 216,695.71 = 89,073 : x
2. Step 2: Convert to fraction form
   157,061.36/216,695.71 = 89,073/x
3. Step 3: Cross multiply
   157,061.36x = 216,695.71 × 89,073
4. Step 4: Simplify right side
   157,061.36x = 19,301,736,976.83
5. Step 5: Solve for x
   x = 19,301,736,976.83/157,061.36
6. Step 6: Final answer
   x = 122,892.97