Finding the Fourth Proportional to 1,758.24, 2,426.28 and 972.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.24 : 2,426.28 = 972.28 : x
2. Step 2: Convert to fraction form
   1,758.24/2,426.28 = 972.28/x
3. Step 3: Cross multiply
   1,758.24x = 2,426.28 × 972.28
4. Step 4: Simplify right side
   1,758.24x = 2,359,023.52
5. Step 5: Solve for x
   x = 2,359,023.52/1,758.24
6. Step 6: Final answer
   x = 1,341.70