Finding the Fourth Proportional to 14,544.15, 21,824.55 and 5,658.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,544.15 : 21,824.55 = 5,658.31 : x
2. Step 2: Convert to fraction form
   14,544.15/21,824.55 = 5,658.31/x
3. Step 3: Cross multiply
   14,544.15x = 21,824.55 × 5,658.31
4. Step 4: Simplify right side
   14,544.15x = 123,490,069.51
5. Step 5: Solve for x
   x = 123,490,069.51/14,544.15
6. Step 6: Final answer
   x = 8,490.70