Finding the Fourth Proportional to 59,672.72, 89,499.36 and 18,110

Step by Step Solution

1. Step 1: Write the proportion equation
   59,672.72 : 89,499.36 = 18,110 : x
2. Step 2: Convert to fraction form
   59,672.72/89,499.36 = 18,110/x
3. Step 3: Cross multiply
   59,672.72x = 89,499.36 × 18,110
4. Step 4: Simplify right side
   59,672.72x = 1,620,833,409.60
5. Step 5: Solve for x
   x = 1,620,833,409.60/59,672.72
6. Step 6: Final answer
   x = 27,162.05