Finding the Fourth Proportional to 123.91, 185.89 and 46.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123.91 : 185.89 = 46.88 : x
2. Step 2: Convert to fraction form
   123.91/185.89 = 46.88/x
3. Step 3: Cross multiply
   123.91x = 185.89 × 46.88
4. Step 4: Simplify right side
   123.91x = 8,714.52
5. Step 5: Solve for x
   x = 8,714.52/123.91
6. Step 6: Final answer
   x = 70.33