Finding the Fourth Proportional to 123.61, 185.42 and 32.31

Step by Step Solution

1. Step 1: Write the proportion equation
   123.61 : 185.42 = 32.31 : x
2. Step 2: Convert to fraction form
   123.61/185.42 = 32.31/x
3. Step 3: Cross multiply
   123.61x = 185.42 × 32.31
4. Step 4: Simplify right side
   123.61x = 5,990.48
5. Step 5: Solve for x
   x = 5,990.48/123.61
6. Step 6: Final answer
   x = 48.46