Finding the Fourth Proportional to 83.33, 125.01 and 42.23

Step by Step Solution

1. Step 1: Write the proportion equation
   83.33 : 125.01 = 42.23 : x
2. Step 2: Convert to fraction form
   83.33/125.01 = 42.23/x
3. Step 3: Cross multiply
   83.33x = 125.01 × 42.23
4. Step 4: Simplify right side
   83.33x = 5,278.55
5. Step 5: Solve for x
   x = 5,278.55/83.33
6. Step 6: Final answer
   x = 63.35