Finding the Fourth Proportional to 1,758.56, 2,426.76 and 972.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.56 : 2,426.76 = 972.59 : x
2. Step 2: Convert to fraction form
   1,758.56/2,426.76 = 972.59/x
3. Step 3: Cross multiply
   1,758.56x = 2,426.76 × 972.59
4. Step 4: Simplify right side
   1,758.56x = 2,360,230.37
5. Step 5: Solve for x
   x = 2,360,230.37/1,758.56
6. Step 6: Final answer
   x = 1,342.14