Finding the Fourth Proportional to 123.32, 184.83 and 42.07

Step by Step Solution

1. Step 1: Write the proportion equation
   123.32 : 184.83 = 42.07 : x
2. Step 2: Convert to fraction form
   123.32/184.83 = 42.07/x
3. Step 3: Cross multiply
   123.32x = 184.83 × 42.07
4. Step 4: Simplify right side
   123.32x = 7,775.76
5. Step 5: Solve for x
   x = 7,775.76/123.32
6. Step 6: Final answer
   x = 63.05