Finding the Fourth Proportional to 495,105.49, 745,345.24 and 443,667.25

Step by Step Solution

1. Step 1: Write the proportion equation
   495,105.49 : 745,345.24 = 443,667.25 : x
2. Step 2: Convert to fraction form
   495,105.49/745,345.24 = 443,667.25/x
3. Step 3: Cross multiply
   495,105.49x = 745,345.24 × 443,667.25
4. Step 4: Simplify right side
   495,105.49x = 330,685,272,931.39
5. Step 5: Solve for x
   x = 330,685,272,931.39/495,105.49
6. Step 6: Final answer
   x = 667,908.72