Finding the Fourth Proportional to 2,077.62, 3,117.78 and 1,104.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.62 : 3,117.78 = 1,104.40 : x
2. Step 2: Convert to fraction form
   2,077.62/3,117.78 = 1,104.40/x
3. Step 3: Cross multiply
   2,077.62x = 3,117.78 × 1,104.40
4. Step 4: Simplify right side
   2,077.62x = 3,443,270.71
5. Step 5: Solve for x
   x = 3,443,270.71/2,077.62
6. Step 6: Final answer
   x = 1,657.32