Finding the Fourth Proportional to 59,645.50, 89,468.79 and 18,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,645.50 : 89,468.79 = 18,092.50 : x
2. Step 2: Convert to fraction form
   59,645.50/89,468.79 = 18,092.50/x
3. Step 3: Cross multiply
   59,645.50x = 89,468.79 × 18,092.50
4. Step 4: Simplify right side
   59,645.50x = 1,618,714,083.08
5. Step 5: Solve for x
   x = 1,618,714,083.08/59,645.50
6. Step 6: Final answer
   x = 27,138.91