Finding the Fourth Proportional to 10,002.72, 15,007.86 and 4,158.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002.72 : 15,007.86 = 4,158.84 : x
2. Step 2: Convert to fraction form
   10,002.72/15,007.86 = 4,158.84/x
3. Step 3: Cross multiply
   10,002.72x = 15,007.86 × 4,158.84
4. Step 4: Simplify right side
   10,002.72x = 62,415,288.48
5. Step 5: Solve for x
   x = 62,415,288.48/10,002.72
6. Step 6: Final answer
   x = 6,239.83