Finding the Fourth Proportional to 59,710.74, 89,562.87 and 18,154.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,710.74 : 89,562.87 = 18,154.50 : x
2. Step 2: Convert to fraction form
   59,710.74/89,562.87 = 18,154.50/x
3. Step 3: Cross multiply
   59,710.74x = 89,562.87 × 18,154.50
4. Step 4: Simplify right side
   59,710.74x = 1,625,969,123.42
5. Step 5: Solve for x
   x = 1,625,969,123.42/59,710.74
6. Step 6: Final answer
   x = 27,230.76