Finding the Fourth Proportional to 2,650.60, 3,975.72 and 702.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.60 : 3,975.72 = 702.82 : x
2. Step 2: Convert to fraction form
   2,650.60/3,975.72 = 702.82/x
3. Step 3: Cross multiply
   2,650.60x = 3,975.72 × 702.82
4. Step 4: Simplify right side
   2,650.60x = 2,794,215.53
5. Step 5: Solve for x
   x = 2,794,215.53/2,650.60
6. Step 6: Final answer
   x = 1,054.18