Finding the Fourth Proportional to 13,124.43, 19,687.82 and 4,359.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,124.43 : 19,687.82 = 4,359.42 : x
2. Step 2: Convert to fraction form
   13,124.43/19,687.82 = 4,359.42/x
3. Step 3: Cross multiply
   13,124.43x = 19,687.82 × 4,359.42
4. Step 4: Simplify right side
   13,124.43x = 85,827,454.47
5. Step 5: Solve for x
   x = 85,827,454.47/13,124.43
6. Step 6: Final answer
   x = 6,539.52