Finding the Fourth Proportional to 1,016.52, 1,402.88 and 574.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.52 : 1,402.88 = 574.60 : x
2. Step 2: Convert to fraction form
   1,016.52/1,402.88 = 574.60/x
3. Step 3: Cross multiply
   1,016.52x = 1,402.88 × 574.60
4. Step 4: Simplify right side
   1,016.52x = 806,094.85
5. Step 5: Solve for x
   x = 806,094.85/1,016.52
6. Step 6: Final answer
   x = 792.99