Finding the Fourth Proportional to 82.02, 123.06 and 45.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82.02 : 123.06 = 45.98 : x
2. Step 2: Convert to fraction form
   82.02/123.06 = 45.98/x
3. Step 3: Cross multiply
   82.02x = 123.06 × 45.98
4. Step 4: Simplify right side
   82.02x = 5,658.30
5. Step 5: Solve for x
   x = 5,658.30/82.02
6. Step 6: Final answer
   x = 68.99