Finding the Fourth Proportional to 765,974.43, 1,056,884.49 and 443,665.32

Step by Step Solution

1. Step 1: Write the proportion equation
   765,974.43 : 1,056,884.49 = 443,665.32 : x
2. Step 2: Convert to fraction form
   765,974.43/1,056,884.49 = 443,665.32/x
3. Step 3: Cross multiply
   765,974.43x = 1,056,884.49 × 443,665.32
4. Step 4: Simplify right side
   765,974.43x = 468,902,995,458.89
5. Step 5: Solve for x
   x = 468,902,995,458.89/765,974.43
6. Step 6: Final answer
   x = 612,165.34