Finding the Fourth Proportional to 224,109.31, 309,270.83 and 123,507.31

Step by Step Solution

1. Step 1: Write the proportion equation
   224,109.31 : 309,270.83 = 123,507.31 : x
2. Step 2: Convert to fraction form
   224,109.31/309,270.83 = 123,507.31/x
3. Step 3: Cross multiply
   224,109.31x = 309,270.83 × 123,507.31
4. Step 4: Simplify right side
   224,109.31x = 38,197,206,728.41
5. Step 5: Solve for x
   x = 38,197,206,728.41/224,109.31
6. Step 6: Final answer
   x = 170,440.07