Finding the Fourth Proportional to 14,566.72, 21,850.31 and 4,571.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,566.72 : 21,850.31 = 4,571.15 : x
2. Step 2: Convert to fraction form
   14,566.72/21,850.31 = 4,571.15/x
3. Step 3: Cross multiply
   14,566.72x = 21,850.31 × 4,571.15
4. Step 4: Simplify right side
   14,566.72x = 99,881,044.56
5. Step 5: Solve for x
   x = 99,881,044.56/14,566.72
6. Step 6: Final answer
   x = 6,856.80