Finding the Fourth Proportional to 2,089.51, 3,135.69 and 1,116.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.51 : 3,135.69 = 1,116.30 : x
2. Step 2: Convert to fraction form
   2,089.51/3,135.69 = 1,116.30/x
3. Step 3: Cross multiply
   2,089.51x = 3,135.69 × 1,116.30
4. Step 4: Simplify right side
   2,089.51x = 3,500,370.75
5. Step 5: Solve for x
   x = 3,500,370.75/2,089.51
6. Step 6: Final answer
   x = 1,675.21