Finding the Fourth Proportional to 131,356.32, 197,032.37 and 89,131.38

Step by Step Solution

1. Step 1: Write the proportion equation
   131,356.32 : 197,032.37 = 89,131.38 : x
2. Step 2: Convert to fraction form
   131,356.32/197,032.37 = 89,131.38/x
3. Step 3: Cross multiply
   131,356.32x = 197,032.37 × 89,131.38
4. Step 4: Simplify right side
   131,356.32x = 17,561,766,597.11
5. Step 5: Solve for x
   x = 17,561,766,597.11/131,356.32
6. Step 6: Final answer
   x = 133,695.63