Finding the Fourth Proportional to 1,758.79, 2,427.10 and 972.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.79 : 2,427.10 = 972.82 : x
2. Step 2: Convert to fraction form
   1,758.79/2,427.10 = 972.82/x
3. Step 3: Cross multiply
   1,758.79x = 2,427.10 × 972.82
4. Step 4: Simplify right side
   1,758.79x = 2,361,131.42
5. Step 5: Solve for x
   x = 2,361,131.42/1,758.79
6. Step 6: Final answer
   x = 1,342.47