Finding the Fourth Proportional to 10,521.72, 14,519.88 and 5,805.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,521.72 : 14,519.88 = 5,805.96 : x
2. Step 2: Convert to fraction form
   10,521.72/14,519.88 = 5,805.96/x
3. Step 3: Cross multiply
   10,521.72x = 14,519.88 × 5,805.96
4. Step 4: Simplify right side
   10,521.72x = 84,301,842.48
5. Step 5: Solve for x
   x = 84,301,842.48/10,521.72
6. Step 6: Final answer
   x = 8,012.17