Finding the Fourth Proportional to 10,151.52, 15,225.18 and 3,909.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151.52 : 15,225.18 = 3,909.39 : x
2. Step 2: Convert to fraction form
   10,151.52/15,225.18 = 3,909.39/x
3. Step 3: Cross multiply
   10,151.52x = 15,225.18 × 3,909.39
4. Step 4: Simplify right side
   10,151.52x = 59,521,166.44
5. Step 5: Solve for x
   x = 59,521,166.44/10,151.52
6. Step 6: Final answer
   x = 5,863.28