Finding the Fourth Proportional to 157,601, 217,480.52 and 89,608.36

Step by Step Solution

1. Step 1: Write the proportion equation
   157,601 : 217,480.52 = 89,608.36 : x
2. Step 2: Convert to fraction form
   157,601/217,480.52 = 89,608.36/x
3. Step 3: Cross multiply
   157,601x = 217,480.52 × 89,608.36
4. Step 4: Simplify right side
   157,601x = 19,488,072,729.15
5. Step 5: Solve for x
   x = 19,488,072,729.15/157,601
6. Step 6: Final answer
   x = 123,654.50