Finding the Fourth Proportional to 10,418.42, 14,377.34 and 5,702.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,418.42 : 14,377.34 = 5,702.70 : x
2. Step 2: Convert to fraction form
   10,418.42/14,377.34 = 5,702.70/x
3. Step 3: Cross multiply
   10,418.42x = 14,377.34 × 5,702.70
4. Step 4: Simplify right side
   10,418.42x = 81,989,656.82
5. Step 5: Solve for x
   x = 81,989,656.82/10,418.42
6. Step 6: Final answer
   x = 7,869.68