Finding the Fourth Proportional to 82.55, 123.89 and 44.07

Step by Step Solution

1. Step 1: Write the proportion equation
   82.55 : 123.89 = 44.07 : x
2. Step 2: Convert to fraction form
   82.55/123.89 = 44.07/x
3. Step 3: Cross multiply
   82.55x = 123.89 × 44.07
4. Step 4: Simplify right side
   82.55x = 5,459.61
5. Step 5: Solve for x
   x = 5,459.61/82.55
6. Step 6: Final answer
   x = 66.14