Finding the Fourth Proportional to 14,045.72, 21,068.42 and 5,723.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,045.72 : 21,068.42 = 5,723.78 : x
2. Step 2: Convert to fraction form
   14,045.72/21,068.42 = 5,723.78/x
3. Step 3: Cross multiply
   14,045.72x = 21,068.42 × 5,723.78
4. Step 4: Simplify right side
   14,045.72x = 120,591,001.03
5. Step 5: Solve for x
   x = 120,591,001.03/14,045.72
6. Step 6: Final answer
   x = 8,585.60