Finding the Fourth Proportional to 73,854.28, 110,667.66 and 50,131

Step by Step Solution

1. Step 1: Write the proportion equation
   73,854.28 : 110,667.66 = 50,131 : x
2. Step 2: Convert to fraction form
   73,854.28/110,667.66 = 50,131/x
3. Step 3: Cross multiply
   73,854.28x = 110,667.66 × 50,131
4. Step 4: Simplify right side
   73,854.28x = 5,547,880,463.46
5. Step 5: Solve for x
   x = 5,547,880,463.46/73,854.28
6. Step 6: Final answer
   x = 75,119.28