Finding the Fourth Proportional to 82.32, 123.12 and 65.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82.32 : 123.12 = 65.88 : x
2. Step 2: Convert to fraction form
   82.32/123.12 = 65.88/x
3. Step 3: Cross multiply
   82.32x = 123.12 × 65.88
4. Step 4: Simplify right side
   82.32x = 8,111.15
5. Step 5: Solve for x
   x = 8,111.15/82.32
6. Step 6: Final answer
   x = 98.53