Finding the Fourth Proportional to 21,442.52, 32,152.82 and 8,959.14

Step by Step Solution

1. Step 1: Write the proportion equation
   21,442.52 : 32,152.82 = 8,959.14 : x
2. Step 2: Convert to fraction form
   21,442.52/32,152.82 = 8,959.14/x
3. Step 3: Cross multiply
   21,442.52x = 32,152.82 × 8,959.14
4. Step 4: Simplify right side
   21,442.52x = 288,061,570.98
5. Step 5: Solve for x
   x = 288,061,570.98/21,442.52
6. Step 6: Final answer
   x = 13,434.13