Finding the Fourth Proportional to 123.32, 184.93 and 71.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123.32 : 184.93 = 71.98 : x
2. Step 2: Convert to fraction form
   123.32/184.93 = 71.98/x
3. Step 3: Cross multiply
   123.32x = 184.93 × 71.98
4. Step 4: Simplify right side
   123.32x = 13,310.83
5. Step 5: Solve for x
   x = 13,310.83/123.32
6. Step 6: Final answer
   x = 107.94