Finding the Fourth Proportional to 123.32, 184.50 and 101.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123.32 : 184.50 = 101.72 : x
2. Step 2: Convert to fraction form
   123.32/184.50 = 101.72/x
3. Step 3: Cross multiply
   123.32x = 184.50 × 101.72
4. Step 4: Simplify right side
   123.32x = 18,767.34
5. Step 5: Solve for x
   x = 18,767.34/123.32
6. Step 6: Final answer
   x = 152.18