Finding the Fourth Proportional to 2,974.15, 4,457.98 and 1,240.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.15 : 4,457.98 = 1,240.75 : x
2. Step 2: Convert to fraction form
   2,974.15/4,457.98 = 1,240.75/x
3. Step 3: Cross multiply
   2,974.15x = 4,457.98 × 1,240.75
4. Step 4: Simplify right side
   2,974.15x = 5,531,238.69
5. Step 5: Solve for x
   x = 5,531,238.69/2,974.15
6. Step 6: Final answer
   x = 1,859.77