Finding the Fourth Proportional to 2,702.58, 4,052.04 and 1,058.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,702.58 : 4,052.04 = 1,058.10 : x
2. Step 2: Convert to fraction form
   2,702.58/4,052.04 = 1,058.10/x
3. Step 3: Cross multiply
   2,702.58x = 4,052.04 × 1,058.10
4. Step 4: Simplify right side
   2,702.58x = 4,287,463.52
5. Step 5: Solve for x
   x = 4,287,463.52/2,702.58
6. Step 6: Final answer
   x = 1,586.43