Finding the Fourth Proportional to 157,915.56, 217,933.83 and 89,022.03

Step by Step Solution

1. Step 1: Write the proportion equation
   157,915.56 : 217,933.83 = 89,022.03 : x
2. Step 2: Convert to fraction form
   157,915.56/217,933.83 = 89,022.03/x
3. Step 3: Cross multiply
   157,915.56x = 217,933.83 × 89,022.03
4. Step 4: Simplify right side
   157,915.56x = 19,400,911,952.27
5. Step 5: Solve for x
   x = 19,400,911,952.27/157,915.56
6. Step 6: Final answer
   x = 122,856.24