Finding the Fourth Proportional to 80,407.91, 110,890.28 and 50,196.02

Step by Step Solution

1. Step 1: Write the proportion equation
   80,407.91 : 110,890.28 = 50,196.02 : x
2. Step 2: Convert to fraction form
   80,407.91/110,890.28 = 50,196.02/x
3. Step 3: Cross multiply
   80,407.91x = 110,890.28 × 50,196.02
4. Step 4: Simplify right side
   80,407.91x = 5,566,250,712.69
5. Step 5: Solve for x
   x = 5,566,250,712.69/80,407.91
6. Step 6: Final answer
   x = 69,225.17