Finding the Fourth Proportional to 10,418.15, 14,377.39 and 5,702.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,418.15 : 14,377.39 = 5,702.43 : x
2. Step 2: Convert to fraction form
   10,418.15/14,377.39 = 5,702.43/x
3. Step 3: Cross multiply
   10,418.15x = 14,377.39 × 5,702.43
4. Step 4: Simplify right side
   10,418.15x = 81,986,060.06
5. Step 5: Solve for x
   x = 81,986,060.06/10,418.15
6. Step 6: Final answer
   x = 7,869.54