Finding the Fourth Proportional to 224,222.89, 309,427.49 and 122,248.43

Step by Step Solution

1. Step 1: Write the proportion equation
   224,222.89 : 309,427.49 = 122,248.43 : x
2. Step 2: Convert to fraction form
   224,222.89/309,427.49 = 122,248.43/x
3. Step 3: Cross multiply
   224,222.89x = 309,427.49 × 122,248.43
4. Step 4: Simplify right side
   224,222.89x = 37,827,025,377.22
5. Step 5: Solve for x
   x = 37,827,025,377.22/224,222.89
6. Step 6: Final answer
   x = 168,702.78