Finding the Fourth Proportional to 10,079.76, 15,108.69 and 4,229.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,079.76 : 15,108.69 = 4,229.52 : x
2. Step 2: Convert to fraction form
   10,079.76/15,108.69 = 4,229.52/x
3. Step 3: Cross multiply
   10,079.76x = 15,108.69 × 4,229.52
4. Step 4: Simplify right side
   10,079.76x = 63,902,506.53
5. Step 5: Solve for x
   x = 63,902,506.53/10,079.76
6. Step 6: Final answer
   x = 6,339.69