Finding the Fourth Proportional to 1,133.72, 1,700.82 and 403.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,133.72 : 1,700.82 = 403.52 : x
2. Step 2: Convert to fraction form
   1,133.72/1,700.82 = 403.52/x
3. Step 3: Cross multiply
   1,133.72x = 1,700.82 × 403.52
4. Step 4: Simplify right side
   1,133.72x = 686,314.89
5. Step 5: Solve for x
   x = 686,314.89/1,133.72
6. Step 6: Final answer
   x = 605.37