Finding the Fourth Proportional to 10,424.34, 14,385.42 and 5,708.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,424.34 : 14,385.42 = 5,708.52 : x
2. Step 2: Convert to fraction form
   10,424.34/14,385.42 = 5,708.52/x
3. Step 3: Cross multiply
   10,424.34x = 14,385.42 × 5,708.52
4. Step 4: Simplify right side
   10,424.34x = 82,119,457.78
5. Step 5: Solve for x
   x = 82,119,457.78/10,424.34
6. Step 6: Final answer
   x = 7,877.66