Finding the Fourth Proportional to 1,758.83, 2,426.83 and 972.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.83 : 2,426.83 = 972.72 : x
2. Step 2: Convert to fraction form
   1,758.83/2,426.83 = 972.72/x
3. Step 3: Cross multiply
   1,758.83x = 2,426.83 × 972.72
4. Step 4: Simplify right side
   1,758.83x = 2,360,623.65
5. Step 5: Solve for x
   x = 2,360,623.65/1,758.83
6. Step 6: Final answer
   x = 1,342.16