Finding the Fourth Proportional to 935,083.89, 1,289,817.41 and 648,499.41

Step by Step Solution

1. Step 1: Write the proportion equation
   935,083.89 : 1,289,817.41 = 648,499.41 : x
2. Step 2: Convert to fraction form
   935,083.89/1,289,817.41 = 648,499.41/x
3. Step 3: Cross multiply
   935,083.89x = 1,289,817.41 × 648,499.41
4. Step 4: Simplify right side
   935,083.89x = 836,445,826,150.23
5. Step 5: Solve for x
   x = 836,445,826,150.23/935,083.89
6. Step 6: Final answer
   x = 894,514.21