Finding the Fourth Proportional to 1,016.52, 1,400.32 and 754.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.52 : 1,400.32 = 754.08 : x
2. Step 2: Convert to fraction form
   1,016.52/1,400.32 = 754.08/x
3. Step 3: Cross multiply
   1,016.52x = 1,400.32 × 754.08
4. Step 4: Simplify right side
   1,016.52x = 1,055,953.31
5. Step 5: Solve for x
   x = 1,055,953.31/1,016.52
6. Step 6: Final answer
   x = 1,038.79