Finding the Fourth Proportional to 2,235.87, 3,355.61 and 1,140.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,235.87 : 3,355.61 = 1,140.53 : x
2. Step 2: Convert to fraction form
   2,235.87/3,355.61 = 1,140.53/x
3. Step 3: Cross multiply
   2,235.87x = 3,355.61 × 1,140.53
4. Step 4: Simplify right side
   2,235.87x = 3,827,151.39
5. Step 5: Solve for x
   x = 3,827,151.39/2,235.87
6. Step 6: Final answer
   x = 1,711.71