Finding the Fourth Proportional to 10,124.32, 15,179.28 and 3,879.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,124.32 : 15,179.28 = 3,879.04 : x
2. Step 2: Convert to fraction form
   10,124.32/15,179.28 = 3,879.04/x
3. Step 3: Cross multiply
   10,124.32x = 15,179.28 × 3,879.04
4. Step 4: Simplify right side
   10,124.32x = 58,881,034.29
5. Step 5: Solve for x
   x = 58,881,034.29/10,124.32
6. Step 6: Final answer
   x = 5,815.80