Finding the Fourth Proportional to 1,758.30, 2,633.16 and 1,140.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.30 : 2,633.16 = 1,140.12 : x
2. Step 2: Convert to fraction form
   1,758.30/2,633.16 = 1,140.12/x
3. Step 3: Cross multiply
   1,758.30x = 2,633.16 × 1,140.12
4. Step 4: Simplify right side
   1,758.30x = 3,002,118.38
5. Step 5: Solve for x
   x = 3,002,118.38/1,758.30
6. Step 6: Final answer
   x = 1,707.40