Finding the Fourth Proportional to 1,758.32, 2,426.66 and 1,315.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.32 : 2,426.66 = 1,315.46 : x
2. Step 2: Convert to fraction form
   1,758.32/2,426.66 = 1,315.46/x
3. Step 3: Cross multiply
   1,758.32x = 2,426.66 × 1,315.46
4. Step 4: Simplify right side
   1,758.32x = 3,192,174.16
5. Step 5: Solve for x
   x = 3,192,174.16/1,758.32
6. Step 6: Final answer
   x = 1,815.47