Finding the Fourth Proportional to 83.15, 124.72 and 35.06

Step by Step Solution

1. Step 1: Write the proportion equation
   83.15 : 124.72 = 35.06 : x
2. Step 2: Convert to fraction form
   83.15/124.72 = 35.06/x
3. Step 3: Cross multiply
   83.15x = 124.72 × 35.06
4. Step 4: Simplify right side
   83.15x = 4,372.15
5. Step 5: Solve for x
   x = 4,372.15/83.15
6. Step 6: Final answer
   x = 52.58