Finding the Fourth Proportional to 80,666.01, 111,342.47 and 50,048.42

Step by Step Solution

1. Step 1: Write the proportion equation
   80,666.01 : 111,342.47 = 50,048.42 : x
2. Step 2: Convert to fraction form
   80,666.01/111,342.47 = 50,048.42/x
3. Step 3: Cross multiply
   80,666.01x = 111,342.47 × 50,048.42
4. Step 4: Simplify right side
   80,666.01x = 5,572,513,895.44
5. Step 5: Solve for x
   x = 5,572,513,895.44/80,666.01
6. Step 6: Final answer
   x = 69,081.31