Finding the Fourth Proportional to 412,951.34, 569,863.88 and 231,659.98

Step by Step Solution

1. Step 1: Write the proportion equation
   412,951.34 : 569,863.88 = 231,659.98 : x
2. Step 2: Convert to fraction form
   412,951.34/569,863.88 = 231,659.98/x
3. Step 3: Cross multiply
   412,951.34x = 569,863.88 × 231,659.98
4. Step 4: Simplify right side
   412,951.34x = 132,014,655,043.52
5. Step 5: Solve for x
   x = 132,014,655,043.52/412,951.34
6. Step 6: Final answer
   x = 319,685.74