Finding the Fourth Proportional to 2,492.69, 3,739.17 and 1,258.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.69 : 3,739.17 = 1,258.65 : x
2. Step 2: Convert to fraction form
   2,492.69/3,739.17 = 1,258.65/x
3. Step 3: Cross multiply
   2,492.69x = 3,739.17 × 1,258.65
4. Step 4: Simplify right side
   2,492.69x = 4,706,306.32
5. Step 5: Solve for x
   x = 4,706,306.32/2,492.69
6. Step 6: Final answer
   x = 1,888.05