Finding the Fourth Proportional to 2,475.12, 3,414.69 and 1,426.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.12 : 3,414.69 = 1,426.98 : x
2. Step 2: Convert to fraction form
   2,475.12/3,414.69 = 1,426.98/x
3. Step 3: Cross multiply
   2,475.12x = 3,414.69 × 1,426.98
4. Step 4: Simplify right side
   2,475.12x = 4,872,694.34
5. Step 5: Solve for x
   x = 4,872,694.34/2,475.12
6. Step 6: Final answer
   x = 1,968.67