Finding the Fourth Proportional to 10,398.18, 14,349.50 and 5,682.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.18 : 14,349.50 = 5,682.47 : x
2. Step 2: Convert to fraction form
   10,398.18/14,349.50 = 5,682.47/x
3. Step 3: Cross multiply
   10,398.18x = 14,349.50 × 5,682.47
4. Step 4: Simplify right side
   10,398.18x = 81,540,531.52
5. Step 5: Solve for x
   x = 81,540,531.52/10,398.18
6. Step 6: Final answer
   x = 7,841.81