Finding the Fourth Proportional to 3,079.17, 4,619.55 and 1,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,079.17 : 4,619.55 = 1,104.72 : x
2. Step 2: Convert to fraction form
   3,079.17/4,619.55 = 1,104.72/x
3. Step 3: Cross multiply
   3,079.17x = 4,619.55 × 1,104.72
4. Step 4: Simplify right side
   3,079.17x = 5,103,309.28
5. Step 5: Solve for x
   x = 5,103,309.28/3,079.17
6. Step 6: Final answer
   x = 1,657.37