Finding the Fourth Proportional to 224,111.88, 309,266.55 and 122,135.27

Step by Step Solution

1. Step 1: Write the proportion equation
   224,111.88 : 309,266.55 = 122,135.27 : x
2. Step 2: Convert to fraction form
   224,111.88/309,266.55 = 122,135.27/x
3. Step 3: Cross multiply
   224,111.88x = 309,266.55 × 122,135.27
4. Step 4: Simplify right side
   224,111.88x = 37,772,352,039.89
5. Step 5: Solve for x
   x = 37,772,352,039.89/224,111.88
6. Step 6: Final answer
   x = 168,542.39