Finding the Fourth Proportional to 10,522.72, 14,521.40 and 5,807.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,522.72 : 14,521.40 = 5,807.04 : x
2. Step 2: Convert to fraction form
   10,522.72/14,521.40 = 5,807.04/x
3. Step 3: Cross multiply
   10,522.72x = 14,521.40 × 5,807.04
4. Step 4: Simplify right side
   10,522.72x = 84,326,350.66
5. Step 5: Solve for x
   x = 84,326,350.66/10,522.72
6. Step 6: Final answer
   x = 8,013.74