Finding the Fourth Proportional to 2,781.16, 4,171.72 and 1,116.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.16 : 4,171.72 = 1,116.03 : x
2. Step 2: Convert to fraction form
   2,781.16/4,171.72 = 1,116.03/x
3. Step 3: Cross multiply
   2,781.16x = 4,171.72 × 1,116.03
4. Step 4: Simplify right side
   2,781.16x = 4,655,764.67
5. Step 5: Solve for x
   x = 4,655,764.67/2,781.16
6. Step 6: Final answer
   x = 1,674.04