Finding the Fourth Proportional to 10,086.01, 15,124.42 and 4,239.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.01 : 15,124.42 = 4,239.43 : x
2. Step 2: Convert to fraction form
   10,086.01/15,124.42 = 4,239.43/x
3. Step 3: Cross multiply
   10,086.01x = 15,124.42 × 4,239.43
4. Step 4: Simplify right side
   10,086.01x = 64,118,919.88
5. Step 5: Solve for x
   x = 64,118,919.88/10,086.01
6. Step 6: Final answer
   x = 6,357.21