Finding the Fourth Proportional to 146,250.72, 201,829.68 and 89,693.28

Step by Step Solution

1. Step 1: Write the proportion equation
   146,250.72 : 201,829.68 = 89,693.28 : x
2. Step 2: Convert to fraction form
   146,250.72/201,829.68 = 89,693.28/x
3. Step 3: Cross multiply
   146,250.72x = 201,829.68 × 89,693.28
4. Step 4: Simplify right side
   146,250.72x = 18,102,766,000.55
5. Step 5: Solve for x
   x = 18,102,766,000.55/146,250.72
6. Step 6: Final answer
   x = 123,778.99