Finding the Fourth Proportional to 1,757.48, 2,425.05 and 971.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.48 : 2,425.05 = 971.53 : x
2. Step 2: Convert to fraction form
   1,757.48/2,425.05 = 971.53/x
3. Step 3: Cross multiply
   1,757.48x = 2,425.05 × 971.53
4. Step 4: Simplify right side
   1,757.48x = 2,356,002.76
5. Step 5: Solve for x
   x = 2,356,002.76/1,757.48
6. Step 6: Final answer
   x = 1,340.56