Finding the Fourth Proportional to 15,385.16, 23,087.82 and 8,464.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,385.16 : 23,087.82 = 8,464.52 : x
2. Step 2: Convert to fraction form
   15,385.16/23,087.82 = 8,464.52/x
3. Step 3: Cross multiply
   15,385.16x = 23,087.82 × 8,464.52
4. Step 4: Simplify right side
   15,385.16x = 195,427,314.15
5. Step 5: Solve for x
   x = 195,427,314.15/15,385.16
6. Step 6: Final answer
   x = 12,702.33