Finding the Fourth Proportional to 2,617.67, 3,925.04 and 1,058.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.67 : 3,925.04 = 1,058.42 : x
2. Step 2: Convert to fraction form
   2,617.67/3,925.04 = 1,058.42/x
3. Step 3: Cross multiply
   2,617.67x = 3,925.04 × 1,058.42
4. Step 4: Simplify right side
   2,617.67x = 4,154,340.84
5. Step 5: Solve for x
   x = 4,154,340.84/2,617.67
6. Step 6: Final answer
   x = 1,587.04