Finding the Fourth Proportional to 1,016.98, 1,403.28 and 597.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.98 : 1,403.28 = 597.30 : x
2. Step 2: Convert to fraction form
   1,016.98/1,403.28 = 597.30/x
3. Step 3: Cross multiply
   1,016.98x = 1,403.28 × 597.30
4. Step 4: Simplify right side
   1,016.98x = 838,179.14
5. Step 5: Solve for x
   x = 838,179.14/1,016.98
6. Step 6: Final answer
   x = 824.18