Finding the Fourth Proportional to 223,979.34, 309,091.50 and 123,377.34

Step by Step Solution

1. Step 1: Write the proportion equation
   223,979.34 : 309,091.50 = 123,377.34 : x
2. Step 2: Convert to fraction form
   223,979.34/309,091.50 = 123,377.34/x
3. Step 3: Cross multiply
   223,979.34x = 309,091.50 × 123,377.34
4. Step 4: Simplify right side
   223,979.34x = 38,134,887,086.61
5. Step 5: Solve for x
   x = 38,134,887,086.61/223,979.34
6. Step 6: Final answer
   x = 170,260.74