Finding the Fourth Proportional to 14,003.18, 21,002.49 and 5,682.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,003.18 : 21,002.49 = 5,682.86 : x
2. Step 2: Convert to fraction form
   14,003.18/21,002.49 = 5,682.86/x
3. Step 3: Cross multiply
   14,003.18x = 21,002.49 × 5,682.86
4. Step 4: Simplify right side
   14,003.18x = 119,354,105.31
5. Step 5: Solve for x
   x = 119,354,105.31/14,003.18
6. Step 6: Final answer
   x = 8,523.36