Finding the Fourth Proportional to 1,112.23, 1,534.71 and 633.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.23 : 1,534.71 = 633.67 : x
2. Step 2: Convert to fraction form
   1,112.23/1,534.71 = 633.67/x
3. Step 3: Cross multiply
   1,112.23x = 1,534.71 × 633.67
4. Step 4: Simplify right side
   1,112.23x = 972,499.69
5. Step 5: Solve for x
   x = 972,499.69/1,112.23
6. Step 6: Final answer
   x = 874.37