Finding the Fourth Proportional to 185.56, 256.12 and 123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   185.56 : 256.12 = 123.50 : x
2. Step 2: Convert to fraction form
   185.56/256.12 = 123.50/x
3. Step 3: Cross multiply
   185.56x = 256.12 × 123.50
4. Step 4: Simplify right side
   185.56x = 31,630.82
5. Step 5: Solve for x
   x = 31,630.82/185.56
6. Step 6: Final answer
   x = 170.46