Finding the Fourth Proportional to 10,418.18, 14,377.06 and 5,702.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,418.18 : 14,377.06 = 5,702.45 : x
2. Step 2: Convert to fraction form
   10,418.18/14,377.06 = 5,702.45/x
3. Step 3: Cross multiply
   10,418.18x = 14,377.06 × 5,702.45
4. Step 4: Simplify right side
   10,418.18x = 81,984,465.80
5. Step 5: Solve for x
   x = 81,984,465.80/10,418.18
6. Step 6: Final answer
   x = 7,869.37