Finding the Fourth Proportional to 2,425.68, 3,348.20 and 1,417.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.68 : 3,348.20 = 1,417.72 : x
2. Step 2: Convert to fraction form
   2,425.68/3,348.20 = 1,417.72/x
3. Step 3: Cross multiply
   2,425.68x = 3,348.20 × 1,417.72
4. Step 4: Simplify right side
   2,425.68x = 4,746,810.10
5. Step 5: Solve for x
   x = 4,746,810.10/2,425.68
6. Step 6: Final answer
   x = 1,956.90