Finding the Fourth Proportional to 1,758.52, 2,426.78 and 972.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.52 : 2,426.78 = 972.56 : x
2. Step 2: Convert to fraction form
   1,758.52/2,426.78 = 972.56/x
3. Step 3: Cross multiply
   1,758.52x = 2,426.78 × 972.56
4. Step 4: Simplify right side
   1,758.52x = 2,360,189.16
5. Step 5: Solve for x
   x = 2,360,189.16/1,758.52
6. Step 6: Final answer
   x = 1,342.15