Finding the Fourth Proportional to 2,345.95, 3,519.57 and 702.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.95 : 3,519.57 = 702.55 : x
2. Step 2: Convert to fraction form
   2,345.95/3,519.57 = 702.55/x
3. Step 3: Cross multiply
   2,345.95x = 3,519.57 × 702.55
4. Step 4: Simplify right side
   2,345.95x = 2,472,673.90
5. Step 5: Solve for x
   x = 2,472,673.90/2,345.95
6. Step 6: Final answer
   x = 1,054.02