Finding the Fourth Proportional to 82.52, 123.83 and 45.99

Step by Step Solution

1. Step 1: Write the proportion equation
   82.52 : 123.83 = 45.99 : x
2. Step 2: Convert to fraction form
   82.52/123.83 = 45.99/x
3. Step 3: Cross multiply
   82.52x = 123.83 × 45.99
4. Step 4: Simplify right side
   82.52x = 5,694.94
5. Step 5: Solve for x
   x = 5,694.94/82.52
6. Step 6: Final answer
   x = 69.01