Finding the Fourth Proportional to 157,774.43, 217,729.89 and 89,796.57

Step by Step Solution

1. Step 1: Write the proportion equation
   157,774.43 : 217,729.89 = 89,796.57 : x
2. Step 2: Convert to fraction form
   157,774.43/217,729.89 = 89,796.57/x
3. Step 3: Cross multiply
   157,774.43x = 217,729.89 × 89,796.57
4. Step 4: Simplify right side
   157,774.43x = 19,551,397,308.48
5. Step 5: Solve for x
   x = 19,551,397,308.48/157,774.43
6. Step 6: Final answer
   x = 123,919.94