Finding the Fourth Proportional to 14,128.52, 21,188.70 and 5,695.02

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.52 : 21,188.70 = 5,695.02 : x
2. Step 2: Convert to fraction form
   14,128.52/21,188.70 = 5,695.02/x
3. Step 3: Cross multiply
   14,128.52x = 21,188.70 × 5,695.02
4. Step 4: Simplify right side
   14,128.52x = 120,670,070.27
5. Step 5: Solve for x
   x = 120,670,070.27/14,128.52
6. Step 6: Final answer
   x = 8,540.89