Finding the Fourth Proportional to 547,667.34, 755,753.94 and 305,901.78

Step by Step Solution

1. Step 1: Write the proportion equation
   547,667.34 : 755,753.94 = 305,901.78 : x
2. Step 2: Convert to fraction form
   547,667.34/755,753.94 = 305,901.78/x
3. Step 3: Cross multiply
   547,667.34x = 755,753.94 × 305,901.78
4. Step 4: Simplify right side
   547,667.34x = 231,186,475,488.01
5. Step 5: Solve for x
   x = 231,186,475,488.01/547,667.34
6. Step 6: Final answer
   x = 422,129.38