Finding the Fourth Proportional to 2,792.72, 4,189.52 and 844.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792.72 : 4,189.52 = 844.68 : x
2. Step 2: Convert to fraction form
   2,792.72/4,189.52 = 844.68/x
3. Step 3: Cross multiply
   2,792.72x = 4,189.52 × 844.68
4. Step 4: Simplify right side
   2,792.72x = 3,538,803.75
5. Step 5: Solve for x
   x = 3,538,803.75/2,792.72
6. Step 6: Final answer
   x = 1,267.15