Finding the Fourth Proportional to 80,411.34, 110,895.03 and 50,199.47

Step by Step Solution

1. Step 1: Write the proportion equation
   80,411.34 : 110,895.03 = 50,199.47 : x
2. Step 2: Convert to fraction form
   80,411.34/110,895.03 = 50,199.47/x
3. Step 3: Cross multiply
   80,411.34x = 110,895.03 × 50,199.47
4. Step 4: Simplify right side
   80,411.34x = 5,566,871,731.63
5. Step 5: Solve for x
   x = 5,566,871,731.63/80,411.34
6. Step 6: Final answer
   x = 69,229.93