Finding the Fourth Proportional to 103,650.28, 155,474.89 and 89,567.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,650.28 : 155,474.89 = 89,567.52 : x
2. Step 2: Convert to fraction form
   103,650.28/155,474.89 = 89,567.52/x
3. Step 3: Cross multiply
   103,650.28x = 155,474.89 × 89,567.52
4. Step 4: Simplify right side
   103,650.28x = 13,925,500,890.99
5. Step 5: Solve for x
   x = 13,925,500,890.99/103,650.28
6. Step 6: Final answer
   x = 134,350.82