Finding the Fourth Proportional to 1,757.76, 2,425.72 and 971.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.76 : 2,425.72 = 971.84 : x
2. Step 2: Convert to fraction form
   1,757.76/2,425.72 = 971.84/x
3. Step 3: Cross multiply
   1,757.76x = 2,425.72 × 971.84
4. Step 4: Simplify right side
   1,757.76x = 2,357,411.72
5. Step 5: Solve for x
   x = 2,357,411.72/1,757.76
6. Step 6: Final answer
   x = 1,341.15