Finding the Fourth Proportional to 83,667.90, 115,461.46 and 50,133.90

Step by Step Solution

1. Step 1: Write the proportion equation
   83,667.90 : 115,461.46 = 50,133.90 : x
2. Step 2: Convert to fraction form
   83,667.90/115,461.46 = 50,133.90/x
3. Step 3: Cross multiply
   83,667.90x = 115,461.46 × 50,133.90
4. Step 4: Simplify right side
   83,667.90x = 5,788,532,461.52
5. Step 5: Solve for x
   x = 5,788,532,461.52/83,667.90
6. Step 6: Final answer
   x = 69,184.63