Finding the Fourth Proportional to 826,826.52, 1,141,086.78 and 464,274.48

Step by Step Solution

1. Step 1: Write the proportion equation
   826,826.52 : 1,141,086.78 = 464,274.48 : x
2. Step 2: Convert to fraction form
   826,826.52/1,141,086.78 = 464,274.48/x
3. Step 3: Cross multiply
   826,826.52x = 1,141,086.78 × 464,274.48
4. Step 4: Simplify right side
   826,826.52x = 529,777,471,419.37
5. Step 5: Solve for x
   x = 529,777,471,419.37/826,826.52
6. Step 6: Final answer
   x = 640,735.94