Finding the Fourth Proportional to 2,345.55, 3,519.03 and 702.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.55 : 3,519.03 = 702.15 : x
2. Step 2: Convert to fraction form
   2,345.55/3,519.03 = 702.15/x
3. Step 3: Cross multiply
   2,345.55x = 3,519.03 × 702.15
4. Step 4: Simplify right side
   2,345.55x = 2,470,886.91
5. Step 5: Solve for x
   x = 2,470,886.91/2,345.55
6. Step 6: Final answer
   x = 1,053.44