Finding the Fourth Proportional to 10,358.50, 15,538.12 and 3,432.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,358.50 : 15,538.12 = 3,432.82 : x
2. Step 2: Convert to fraction form
   10,358.50/15,538.12 = 3,432.82/x
3. Step 3: Cross multiply
   10,358.50x = 15,538.12 × 3,432.82
4. Step 4: Simplify right side
   10,358.50x = 53,339,569.10
5. Step 5: Solve for x
   x = 53,339,569.10/10,358.50
6. Step 6: Final answer
   x = 5,149.35