Finding the Fourth Proportional to 1,066.74, 1,597.69 and 572.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.74 : 1,597.69 = 572.29 : x
2. Step 2: Convert to fraction form
   1,066.74/1,597.69 = 572.29/x
3. Step 3: Cross multiply
   1,066.74x = 1,597.69 × 572.29
4. Step 4: Simplify right side
   1,066.74x = 914,334.02
5. Step 5: Solve for x
   x = 914,334.02/1,066.74
6. Step 6: Final answer
   x = 857.13