Finding the Fourth Proportional to 224,393.94, 309,659.49 and 123,789.78

Step by Step Solution

1. Step 1: Write the proportion equation
   224,393.94 : 309,659.49 = 123,789.78 : x
2. Step 2: Convert to fraction form
   224,393.94/309,659.49 = 123,789.78/x
3. Step 3: Cross multiply
   224,393.94x = 309,659.49 × 123,789.78
4. Step 4: Simplify right side
   224,393.94x = 38,332,680,142.01
5. Step 5: Solve for x
   x = 38,332,680,142.01/224,393.94
6. Step 6: Final answer
   x = 170,827.61