Finding the Fourth Proportional to 146,854.30, 202,658.69 and 89,493.53

Step by Step Solution

1. Step 1: Write the proportion equation
   146,854.30 : 202,658.69 = 89,493.53 : x
2. Step 2: Convert to fraction form
   146,854.30/202,658.69 = 89,493.53/x
3. Step 3: Cross multiply
   146,854.30x = 202,658.69 × 89,493.53
4. Step 4: Simplify right side
   146,854.30x = 18,136,641,105.81
5. Step 5: Solve for x
   x = 18,136,641,105.81/146,854.30
6. Step 6: Final answer
   x = 123,500.92