Finding the Fourth Proportional to 1,131.03, 1,560.82 and 633.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.03 : 1,560.82 = 633.67 : x
2. Step 2: Convert to fraction form
   1,131.03/1,560.82 = 633.67/x
3. Step 3: Cross multiply
   1,131.03x = 1,560.82 × 633.67
4. Step 4: Simplify right side
   1,131.03x = 989,049.29
5. Step 5: Solve for x
   x = 989,049.29/1,131.03
6. Step 6: Final answer
   x = 874.47