Finding the Fourth Proportional to 1,432.24, 2,145.42 and 702.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.24 : 2,145.42 = 702.52 : x
2. Step 2: Convert to fraction form
   1,432.24/2,145.42 = 702.52/x
3. Step 3: Cross multiply
   1,432.24x = 2,145.42 × 702.52
4. Step 4: Simplify right side
   1,432.24x = 1,507,200.46
5. Step 5: Solve for x
   x = 1,507,200.46/1,432.24
6. Step 6: Final answer
   x = 1,052.34