Finding the Fourth Proportional to 14,071.88, 21,108.78 and 4,711.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,071.88 : 21,108.78 = 4,711.52 : x
2. Step 2: Convert to fraction form
   14,071.88/21,108.78 = 4,711.52/x
3. Step 3: Cross multiply
   14,071.88x = 21,108.78 × 4,711.52
4. Step 4: Simplify right side
   14,071.88x = 99,454,333.60
5. Step 5: Solve for x
   x = 99,454,333.60/14,071.88
6. Step 6: Final answer
   x = 7,067.60