Finding the Fourth Proportional to 1,016.66, 1,403.05 and 597.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.66 : 1,403.05 = 597.34 : x
2. Step 2: Convert to fraction form
   1,016.66/1,403.05 = 597.34/x
3. Step 3: Cross multiply
   1,016.66x = 1,403.05 × 597.34
4. Step 4: Simplify right side
   1,016.66x = 838,097.89
5. Step 5: Solve for x
   x = 838,097.89/1,016.66
6. Step 6: Final answer
   x = 824.36