Finding the Fourth Proportional to 123.33, 184.78 and 71.93

Step by Step Solution

1. Step 1: Write the proportion equation
   123.33 : 184.78 = 71.93 : x
2. Step 2: Convert to fraction form
   123.33/184.78 = 71.93/x
3. Step 3: Cross multiply
   123.33x = 184.78 × 71.93
4. Step 4: Simplify right side
   123.33x = 13,291.78
5. Step 5: Solve for x
   x = 13,291.78/123.33
6. Step 6: Final answer
   x = 107.77