Finding the Fourth Proportional to 127.33, 175.42 and 83.59

Step by Step Solution

1. Step 1: Write the proportion equation
   127.33 : 175.42 = 83.59 : x
2. Step 2: Convert to fraction form
   127.33/175.42 = 83.59/x
3. Step 3: Cross multiply
   127.33x = 175.42 × 83.59
4. Step 4: Simplify right side
   127.33x = 14,662.71
5. Step 5: Solve for x
   x = 14,662.71/127.33
6. Step 6: Final answer
   x = 115.16