Finding the Fourth Proportional to 10,005.62, 15,009.71 and 3,432.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,005.62 : 15,009.71 = 3,432.24 : x
2. Step 2: Convert to fraction form
   10,005.62/15,009.71 = 3,432.24/x
3. Step 3: Cross multiply
   10,005.62x = 15,009.71 × 3,432.24
4. Step 4: Simplify right side
   10,005.62x = 51,516,909.89
5. Step 5: Solve for x
   x = 51,516,909.89/10,005.62
6. Step 6: Final answer
   x = 5,148.80