Finding the Fourth Proportional to 2,174.52, 3,262.12 and 787.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.52 : 3,262.12 = 787.71 : x
2. Step 2: Convert to fraction form
   2,174.52/3,262.12 = 787.71/x
3. Step 3: Cross multiply
   2,174.52x = 3,262.12 × 787.71
4. Step 4: Simplify right side
   2,174.52x = 2,569,604.55
5. Step 5: Solve for x
   x = 2,569,604.55/2,174.52
6. Step 6: Final answer
   x = 1,181.69