Finding the Fourth Proportional to 2,345.59, 3,518.18 and 702.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.59 : 3,518.18 = 702.51 : x
2. Step 2: Convert to fraction form
   2,345.59/3,518.18 = 702.51/x
3. Step 3: Cross multiply
   2,345.59x = 3,518.18 × 702.51
4. Step 4: Simplify right side
   2,345.59x = 2,471,546.51
5. Step 5: Solve for x
   x = 2,471,546.51/2,345.59
6. Step 6: Final answer
   x = 1,053.70