Finding the Fourth Proportional to 1,016.31, 1,524.42 and 707.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.31 : 1,524.42 = 707.25 : x
2. Step 2: Convert to fraction form
   1,016.31/1,524.42 = 707.25/x
3. Step 3: Cross multiply
   1,016.31x = 1,524.42 × 707.25
4. Step 4: Simplify right side
   1,016.31x = 1,078,146.05
5. Step 5: Solve for x
   x = 1,078,146.05/1,016.31
6. Step 6: Final answer
   x = 1,060.84