Finding the Fourth Proportional to 1,342.52, 2,013.72 and 787.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.52 : 2,013.72 = 787.54 : x
2. Step 2: Convert to fraction form
   1,342.52/2,013.72 = 787.54/x
3. Step 3: Cross multiply
   1,342.52x = 2,013.72 × 787.54
4. Step 4: Simplify right side
   1,342.52x = 1,585,883.05
5. Step 5: Solve for x
   x = 1,585,883.05/1,342.52
6. Step 6: Final answer
   x = 1,181.27