Finding the Fourth Proportional to 59,653.85, 89,478.72 and 15,280.99

Step by Step Solution

1. Step 1: Write the proportion equation
   59,653.85 : 89,478.72 = 15,280.99 : x
2. Step 2: Convert to fraction form
   59,653.85/89,478.72 = 15,280.99/x
3. Step 3: Cross multiply
   59,653.85x = 89,478.72 × 15,280.99
4. Step 4: Simplify right side
   59,653.85x = 1,367,322,978.14
5. Step 5: Solve for x
   x = 1,367,322,978.14/59,653.85
6. Step 6: Final answer
   x = 22,920.95