Finding the Fourth Proportional to 122,760.72, 183,845.37 and 83,197.89

Step by Step Solution

1. Step 1: Write the proportion equation
   122,760.72 : 183,845.37 = 83,197.89 : x
2. Step 2: Convert to fraction form
   122,760.72/183,845.37 = 83,197.89/x
3. Step 3: Cross multiply
   122,760.72x = 183,845.37 × 83,197.89
4. Step 4: Simplify right side
   122,760.72x = 15,295,546,870.27
5. Step 5: Solve for x
   x = 15,295,546,870.27/122,760.72
6. Step 6: Final answer
   x = 124,596.43