Finding the Fourth Proportional to 10,418.92, 14,377.86 and 5,703.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,418.92 : 14,377.86 = 5,703.40 : x
2. Step 2: Convert to fraction form
   10,418.92/14,377.86 = 5,703.40/x
3. Step 3: Cross multiply
   10,418.92x = 14,377.86 × 5,703.40
4. Step 4: Simplify right side
   10,418.92x = 82,002,686.72
5. Step 5: Solve for x
   x = 82,002,686.72/10,418.92
6. Step 6: Final answer
   x = 7,870.56