Finding the Fourth Proportional to 80,991.74, 111,837.30 and 50,827.34

Step by Step Solution

1. Step 1: Write the proportion equation
   80,991.74 : 111,837.30 = 50,827.34 : x
2. Step 2: Convert to fraction form
   80,991.74/111,837.30 = 50,827.34/x
3. Step 3: Cross multiply
   80,991.74x = 111,837.30 × 50,827.34
4. Step 4: Simplify right side
   80,991.74x = 5,684,392,471.78
5. Step 5: Solve for x
   x = 5,684,392,471.78/80,991.74
6. Step 6: Final answer
   x = 70,184.84