Finding the Fourth Proportional to 1,758.38, 2,426.56 and 972.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.38 : 2,426.56 = 972.47 : x
2. Step 2: Convert to fraction form
   1,758.38/2,426.56 = 972.47/x
3. Step 3: Cross multiply
   1,758.38x = 2,426.56 × 972.47
4. Step 4: Simplify right side
   1,758.38x = 2,359,760.44
5. Step 5: Solve for x
   x = 2,359,760.44/1,758.38
6. Step 6: Final answer
   x = 1,342.01