Finding the Fourth Proportional to 83.38, 125.12 and 29.31

Step by Step Solution

1. Step 1: Write the proportion equation
   83.38 : 125.12 = 29.31 : x
2. Step 2: Convert to fraction form
   83.38/125.12 = 29.31/x
3. Step 3: Cross multiply
   83.38x = 125.12 × 29.31
4. Step 4: Simplify right side
   83.38x = 3,667.27
5. Step 5: Solve for x
   x = 3,667.27/83.38
6. Step 6: Final answer
   x = 43.98