Finding the Fourth Proportional to 50,658.80, 69,911.82 and 30,522.02

Step by Step Solution

1. Step 1: Write the proportion equation
   50,658.80 : 69,911.82 = 30,522.02 : x
2. Step 2: Convert to fraction form
   50,658.80/69,911.82 = 30,522.02/x
3. Step 3: Cross multiply
   50,658.80x = 69,911.82 × 30,522.02
4. Step 4: Simplify right side
   50,658.80x = 2,133,849,968.28
5. Step 5: Solve for x
   x = 2,133,849,968.28/50,658.80
6. Step 6: Final answer
   x = 42,122.00