Finding the Fourth Proportional to 2,635.04, 3,951.68 and 1,247.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.04 : 3,951.68 = 1,247.52 : x
2. Step 2: Convert to fraction form
   2,635.04/3,951.68 = 1,247.52/x
3. Step 3: Cross multiply
   2,635.04x = 3,951.68 × 1,247.52
4. Step 4: Simplify right side
   2,635.04x = 4,929,799.83
5. Step 5: Solve for x
   x = 4,929,799.83/2,635.04
6. Step 6: Final answer
   x = 1,870.86