Finding the Fourth Proportional to 224,514.56, 309,828.56 and 123,912.56

Step by Step Solution

1. Step 1: Write the proportion equation
   224,514.56 : 309,828.56 = 123,912.56 : x
2. Step 2: Convert to fraction form
   224,514.56/309,828.56 = 123,912.56/x
3. Step 3: Cross multiply
   224,514.56x = 309,828.56 × 123,912.56
4. Step 4: Simplify right side
   224,514.56x = 38,391,650,030.71
5. Step 5: Solve for x
   x = 38,391,650,030.71/224,514.56
6. Step 6: Final answer
   x = 170,998.49