Finding the Fourth Proportional to 1,758.72, 2,427.03 and 972.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.72 : 2,427.03 = 972.82 : x
2. Step 2: Convert to fraction form
   1,758.72/2,427.03 = 972.82/x
3. Step 3: Cross multiply
   1,758.72x = 2,427.03 × 972.82
4. Step 4: Simplify right side
   1,758.72x = 2,361,059.69
5. Step 5: Solve for x
   x = 2,361,059.69/1,758.72
6. Step 6: Final answer
   x = 1,342.49