Finding the Fourth Proportional to 2,551.34, 3,826.57 and 702.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.34 : 3,826.57 = 702.58 : x
2. Step 2: Convert to fraction form
   2,551.34/3,826.57 = 702.58/x
3. Step 3: Cross multiply
   2,551.34x = 3,826.57 × 702.58
4. Step 4: Simplify right side
   2,551.34x = 2,688,471.55
5. Step 5: Solve for x
   x = 2,688,471.55/2,551.34
6. Step 6: Final answer
   x = 1,053.75