Finding the Fourth Proportional to 150,469.50, 207,647.94 and 83,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,469.50 : 207,647.94 = 83,401.50 : x
2. Step 2: Convert to fraction form
   150,469.50/207,647.94 = 83,401.50/x
3. Step 3: Cross multiply
   150,469.50x = 207,647.94 × 83,401.50
4. Step 4: Simplify right side
   150,469.50x = 17,318,149,667.91
5. Step 5: Solve for x
   x = 17,318,149,667.91/150,469.50
6. Step 6: Final answer
   x = 115,094.09