Finding the Fourth Proportional to 899,025.48, 1,348,086.78 and 299,774.52

Step by Step Solution

1. Step 1: Write the proportion equation
   899,025.48 : 1,348,086.78 = 299,774.52 : x
2. Step 2: Convert to fraction form
   899,025.48/1,348,086.78 = 299,774.52/x
3. Step 3: Cross multiply
   899,025.48x = 1,348,086.78 × 299,774.52
4. Step 4: Simplify right side
   899,025.48x = 404,122,067,392.85
5. Step 5: Solve for x
   x = 404,122,067,392.85/899,025.48
6. Step 6: Final answer
   x = 449,511.25