Finding the Fourth Proportional to 1,112.28, 1,667.97 and 332.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.28 : 1,667.97 = 332.01 : x
2. Step 2: Convert to fraction form
   1,112.28/1,667.97 = 332.01/x
3. Step 3: Cross multiply
   1,112.28x = 1,667.97 × 332.01
4. Step 4: Simplify right side
   1,112.28x = 553,782.72
5. Step 5: Solve for x
   x = 553,782.72/1,112.28
6. Step 6: Final answer
   x = 497.88