Finding the Fourth Proportional to 935,063.83, 1,289,789.72 and 648,479.35

Step by Step Solution

1. Step 1: Write the proportion equation
   935,063.83 : 1,289,789.72 = 648,479.35 : x
2. Step 2: Convert to fraction form
   935,063.83/1,289,789.72 = 648,479.35/x
3. Step 3: Cross multiply
   935,063.83x = 1,289,789.72 × 648,479.35
4. Step 4: Simplify right side
   935,063.83x = 836,401,992,795.41
5. Step 5: Solve for x
   x = 836,401,992,795.41/935,063.83
6. Step 6: Final answer
   x = 894,486.52