Finding the Fourth Proportional to 10,398.10, 14,349.42 and 5,682.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.10 : 14,349.42 = 5,682.39 : x
2. Step 2: Convert to fraction form
   10,398.10/14,349.42 = 5,682.39/x
3. Step 3: Cross multiply
   10,398.10x = 14,349.42 × 5,682.39
4. Step 4: Simplify right side
   10,398.10x = 81,539,000.71
5. Step 5: Solve for x
   x = 81,539,000.71/10,398.10
6. Step 6: Final answer
   x = 7,841.72