Finding the Fourth Proportional to 723,386.43, 1,085,068.71 and 302,662.31

Step by Step Solution

1. Step 1: Write the proportion equation
   723,386.43 : 1,085,068.71 = 302,662.31 : x
2. Step 2: Convert to fraction form
   723,386.43/1,085,068.71 = 302,662.31/x
3. Step 3: Cross multiply
   723,386.43x = 1,085,068.71 × 302,662.31
4. Step 4: Simplify right side
   723,386.43x = 328,409,396,851.98
5. Step 5: Solve for x
   x = 328,409,396,851.98/723,386.43
6. Step 6: Final answer
   x = 453,988.88