Finding the Fourth Proportional to 14,042.42, 21,063.59 and 5,720.61

Step by Step Solution

1. Step 1: Write the proportion equation
   14,042.42 : 21,063.59 = 5,720.61 : x
2. Step 2: Convert to fraction form
   14,042.42/21,063.59 = 5,720.61/x
3. Step 3: Cross multiply
   14,042.42x = 21,063.59 × 5,720.61
4. Step 4: Simplify right side
   14,042.42x = 120,496,583.59
5. Step 5: Solve for x
   x = 120,496,583.59/14,042.42
6. Step 6: Final answer
   x = 8,580.90