Finding the Fourth Proportional to 626,483.31, 864,547.41 and 340,003.39

Step by Step Solution

1. Step 1: Write the proportion equation
   626,483.31 : 864,547.41 = 340,003.39 : x
2. Step 2: Convert to fraction form
   626,483.31/864,547.41 = 340,003.39/x
3. Step 3: Cross multiply
   626,483.31x = 864,547.41 × 340,003.39
4. Step 4: Simplify right side
   626,483.31x = 293,949,050,215.72
5. Step 5: Solve for x
   x = 293,949,050,215.72/626,483.31
6. Step 6: Final answer
   x = 469,204.92