Finding the Fourth Proportional to 59,906.88, 89,861.28 and 18,354.24

Step by Step Solution

1. Step 1: Write the proportion equation
   59,906.88 : 89,861.28 = 18,354.24 : x
2. Step 2: Convert to fraction form
   59,906.88/89,861.28 = 18,354.24/x
3. Step 3: Cross multiply
   59,906.88x = 89,861.28 × 18,354.24
4. Step 4: Simplify right side
   59,906.88x = 1,649,335,499.83
5. Step 5: Solve for x
   x = 1,649,335,499.83/59,906.88
6. Step 6: Final answer
   x = 27,531.65