Finding the Fourth Proportional to 1,702.28, 2,348.72 and 1,003.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,702.28 : 2,348.72 = 1,003.52 : x
2. Step 2: Convert to fraction form
   1,702.28/2,348.72 = 1,003.52/x
3. Step 3: Cross multiply
   1,702.28x = 2,348.72 × 1,003.52
4. Step 4: Simplify right side
   1,702.28x = 2,356,987.49
5. Step 5: Solve for x
   x = 2,356,987.49/1,702.28
6. Step 6: Final answer
   x = 1,384.61