Finding the Fourth Proportional to 1,767.52, 2,648.58 and 1,247.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.52 : 2,648.58 = 1,247.50 : x
2. Step 2: Convert to fraction form
   1,767.52/2,648.58 = 1,247.50/x
3. Step 3: Cross multiply
   1,767.52x = 2,648.58 × 1,247.50
4. Step 4: Simplify right side
   1,767.52x = 3,304,103.55
5. Step 5: Solve for x
   x = 3,304,103.55/1,767.52
6. Step 6: Final answer
   x = 1,869.34