Finding the Fourth Proportional to 745,524, 1,028,920.32 and 443,718

Step by Step Solution

1. Step 1: Write the proportion equation
   745,524 : 1,028,920.32 = 443,718 : x
2. Step 2: Convert to fraction form
   745,524/1,028,920.32 = 443,718/x
3. Step 3: Cross multiply
   745,524x = 1,028,920.32 × 443,718
4. Step 4: Simplify right side
   745,524x = 456,550,466,549.76
5. Step 5: Solve for x
   x = 456,550,466,549.76/745,524
6. Step 6: Final answer
   x = 612,388.69