Finding the Fourth Proportional to 2,089.12, 3,135.30 and 1,116.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.12 : 3,135.30 = 1,116.04 : x
2. Step 2: Convert to fraction form
   2,089.12/3,135.30 = 1,116.04/x
3. Step 3: Cross multiply
   2,089.12x = 3,135.30 × 1,116.04
4. Step 4: Simplify right side
   2,089.12x = 3,499,120.21
5. Step 5: Solve for x
   x = 3,499,120.21/2,089.12
6. Step 6: Final answer
   x = 1,674.93