Finding the Fourth Proportional to 2,792.62, 4,187.49 and 1,148.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792.62 : 4,187.49 = 1,148.86 : x
2. Step 2: Convert to fraction form
   2,792.62/4,187.49 = 1,148.86/x
3. Step 3: Cross multiply
   2,792.62x = 4,187.49 × 1,148.86
4. Step 4: Simplify right side
   2,792.62x = 4,810,839.76
5. Step 5: Solve for x
   x = 4,810,839.76/2,792.62
6. Step 6: Final answer
   x = 1,722.70