Finding the Fourth Proportional to 12,454.43, 17,185.72 and 7,417.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,454.43 : 17,185.72 = 7,417.95 : x
2. Step 2: Convert to fraction form
   12,454.43/17,185.72 = 7,417.95/x
3. Step 3: Cross multiply
   12,454.43x = 17,185.72 × 7,417.95
4. Step 4: Simplify right side
   12,454.43x = 127,482,811.67
5. Step 5: Solve for x
   x = 127,482,811.67/12,454.43
6. Step 6: Final answer
   x = 10,235.94