Finding the Fourth Proportional to 83.38, 124.99 and 40.03

Step by Step Solution

1. Step 1: Write the proportion equation
   83.38 : 124.99 = 40.03 : x
2. Step 2: Convert to fraction form
   83.38/124.99 = 40.03/x
3. Step 3: Cross multiply
   83.38x = 124.99 × 40.03
4. Step 4: Simplify right side
   83.38x = 5,002.72
5. Step 5: Solve for x
   x = 5,002.72/83.38
6. Step 6: Final answer
   x = 60.00