Finding the Fourth Proportional to 1,757.06, 2,424.72 and 971.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.06 : 2,424.72 = 971.10 : x
2. Step 2: Convert to fraction form
   1,757.06/2,424.72 = 971.10/x
3. Step 3: Cross multiply
   1,757.06x = 2,424.72 × 971.10
4. Step 4: Simplify right side
   1,757.06x = 2,354,645.59
5. Step 5: Solve for x
   x = 2,354,645.59/1,757.06
6. Step 6: Final answer
   x = 1,340.11