Finding the Fourth Proportional to 59,711.74, 89,564.37 and 18,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,711.74 : 89,564.37 = 18,155.50 : x
2. Step 2: Convert to fraction form
   59,711.74/89,564.37 = 18,155.50/x
3. Step 3: Cross multiply
   59,711.74x = 89,564.37 × 18,155.50
4. Step 4: Simplify right side
   59,711.74x = 1,626,085,919.54
5. Step 5: Solve for x
   x = 1,626,085,919.54/59,711.74
6. Step 6: Final answer
   x = 27,232.26