Finding the Fourth Proportional to 123.01, 185.24 and 89.01

Step by Step Solution

1. Step 1: Write the proportion equation
   123.01 : 185.24 = 89.01 : x
2. Step 2: Convert to fraction form
   123.01/185.24 = 89.01/x
3. Step 3: Cross multiply
   123.01x = 185.24 × 89.01
4. Step 4: Simplify right side
   123.01x = 16,488.43
5. Step 5: Solve for x
   x = 16,488.43/123.01
6. Step 6: Final answer
   x = 134.04