Finding the Fourth Proportional to 2,807.40, 4,209.56 and 1,162.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,807.40 : 4,209.56 = 1,162.92 : x
2. Step 2: Convert to fraction form
   2,807.40/4,209.56 = 1,162.92/x
3. Step 3: Cross multiply
   2,807.40x = 4,209.56 × 1,162.92
4. Step 4: Simplify right side
   2,807.40x = 4,895,381.52
5. Step 5: Solve for x
   x = 4,895,381.52/2,807.40
6. Step 6: Final answer
   x = 1,743.74