Finding the Fourth Proportional to 10,244.85, 14,139.23 and 5,769.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,244.85 : 14,139.23 = 5,769.47 : x
2. Step 2: Convert to fraction form
   10,244.85/14,139.23 = 5,769.47/x
3. Step 3: Cross multiply
   10,244.85x = 14,139.23 × 5,769.47
4. Step 4: Simplify right side
   10,244.85x = 81,575,863.31
5. Step 5: Solve for x
   x = 81,575,863.31/10,244.85
6. Step 6: Final answer
   x = 7,962.62