Finding the Fourth Proportional to 123.50, 185.17 and 58.46

Step by Step Solution

1. Step 1: Write the proportion equation
   123.50 : 185.17 = 58.46 : x
2. Step 2: Convert to fraction form
   123.50/185.17 = 58.46/x
3. Step 3: Cross multiply
   123.50x = 185.17 × 58.46
4. Step 4: Simplify right side
   123.50x = 10,824.27
5. Step 5: Solve for x
   x = 10,824.27/123.50
6. Step 6: Final answer
   x = 87.65