Finding the Fourth Proportional to 123.97, 185.46 and 93.31

Step by Step Solution

1. Step 1: Write the proportion equation
   123.97 : 185.46 = 93.31 : x
2. Step 2: Convert to fraction form
   123.97/185.46 = 93.31/x
3. Step 3: Cross multiply
   123.97x = 185.46 × 93.31
4. Step 4: Simplify right side
   123.97x = 17,305.27
5. Step 5: Solve for x
   x = 17,305.27/123.97
6. Step 6: Final answer
   x = 139.59