Finding the Fourth Proportional to 80,411.72, 110,895.54 and 50,199.84

Step by Step Solution

1. Step 1: Write the proportion equation
   80,411.72 : 110,895.54 = 50,199.84 : x
2. Step 2: Convert to fraction form
   80,411.72/110,895.54 = 50,199.84/x
3. Step 3: Cross multiply
   80,411.72x = 110,895.54 × 50,199.84
4. Step 4: Simplify right side
   80,411.72x = 5,566,938,364.71
5. Step 5: Solve for x
   x = 5,566,938,364.71/80,411.72
6. Step 6: Final answer
   x = 69,230.44