Finding the Fourth Proportional to 114,912.29, 158,448.22 and 80,909.91

Step by Step Solution

1. Step 1: Write the proportion equation
   114,912.29 : 158,448.22 = 80,909.91 : x
2. Step 2: Convert to fraction form
   114,912.29/158,448.22 = 80,909.91/x
3. Step 3: Cross multiply
   114,912.29x = 158,448.22 × 80,909.91
4. Step 4: Simplify right side
   114,912.29x = 12,820,031,017.59
5. Step 5: Solve for x
   x = 12,820,031,017.59/114,912.29
6. Step 6: Final answer
   x = 111,563.62