Finding the Fourth Proportional to 1,758.46, 2,426.82 and 972.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.46 : 2,426.82 = 972.76 : x
2. Step 2: Convert to fraction form
   1,758.46/2,426.82 = 972.76/x
3. Step 3: Cross multiply
   1,758.46x = 2,426.82 × 972.76
4. Step 4: Simplify right side
   1,758.46x = 2,360,713.42
5. Step 5: Solve for x
   x = 2,360,713.42/1,758.46
6. Step 6: Final answer
   x = 1,342.49