Finding the Fourth Proportional to 733,640.52, 1,012,434.27 and 443,211.71

Step by Step Solution

1. Step 1: Write the proportion equation
   733,640.52 : 1,012,434.27 = 443,211.71 : x
2. Step 2: Convert to fraction form
   733,640.52/1,012,434.27 = 443,211.71/x
3. Step 3: Cross multiply
   733,640.52x = 1,012,434.27 × 443,211.71
4. Step 4: Simplify right side
   733,640.52x = 448,722,723,040.03
5. Step 5: Solve for x
   x = 448,722,723,040.03/733,640.52
6. Step 6: Final answer
   x = 611,638.41