Finding the Fourth Proportional to 122,759.21, 183,843.12 and 83,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   122,759.21 : 183,843.12 = 83,196.38 : x
2. Step 2: Convert to fraction form
   122,759.21/183,843.12 = 83,196.38/x
3. Step 3: Cross multiply
   122,759.21x = 183,843.12 × 83,196.38
4. Step 4: Simplify right side
   122,759.21x = 15,295,082,375.52
5. Step 5: Solve for x
   x = 15,295,082,375.52/122,759.21
6. Step 6: Final answer
   x = 124,594.17