Finding the Fourth Proportional to 2,065.43, 3,099.00 and 1,140.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.43 : 3,099.00 = 1,140.90 : x
2. Step 2: Convert to fraction form
   2,065.43/3,099.00 = 1,140.90/x
3. Step 3: Cross multiply
   2,065.43x = 3,099.00 × 1,140.90
4. Step 4: Simplify right side
   2,065.43x = 3,535,643.40
5. Step 5: Solve for x
   x = 3,535,643.40/2,065.43
6. Step 6: Final answer
   x = 1,711.82