Finding the Fourth Proportional to 224,162.91, 309,335.50 and 122,186.12

Step by Step Solution

1. Step 1: Write the proportion equation
   224,162.91 : 309,335.50 = 122,186.12 : x
2. Step 2: Convert to fraction form
   224,162.91/309,335.50 = 122,186.12/x
3. Step 3: Cross multiply
   224,162.91x = 309,335.50 × 122,186.12
4. Step 4: Simplify right side
   224,162.91x = 37,796,503,912.33
5. Step 5: Solve for x
   x = 37,796,503,912.33/224,162.91
6. Step 6: Final answer
   x = 168,611.77