Finding the Fourth Proportional to 1,435.30, 2,149.55 and 702.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.30 : 2,149.55 = 702.52 : x
2. Step 2: Convert to fraction form
   1,435.30/2,149.55 = 702.52/x
3. Step 3: Cross multiply
   1,435.30x = 2,149.55 × 702.52
4. Step 4: Simplify right side
   1,435.30x = 1,510,101.87
5. Step 5: Solve for x
   x = 1,510,101.87/1,435.30
6. Step 6: Final answer
   x = 1,052.12