Finding the Fourth Proportional to 123.92, 185.94 and 59.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123.92 : 185.94 = 59.76 : x
2. Step 2: Convert to fraction form
   123.92/185.94 = 59.76/x
3. Step 3: Cross multiply
   123.92x = 185.94 × 59.76
4. Step 4: Simplify right side
   123.92x = 11,111.77
5. Step 5: Solve for x
   x = 11,111.77/123.92
6. Step 6: Final answer
   x = 89.67