Finding the Fourth Proportional to 2,077.50, 3,117.46 and 1,103.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.50 : 3,117.46 = 1,103.60 : x
2. Step 2: Convert to fraction form
   2,077.50/3,117.46 = 1,103.60/x
3. Step 3: Cross multiply
   2,077.50x = 3,117.46 × 1,103.60
4. Step 4: Simplify right side
   2,077.50x = 3,440,428.86
5. Step 5: Solve for x
   x = 3,440,428.86/2,077.50
6. Step 6: Final answer
   x = 1,656.04