Finding the Fourth Proportional to 2,254,664.48, 3,381,947.45 and 548,816.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254,664.48 : 3,381,947.45 = 548,816.78 : x
2. Step 2: Convert to fraction form
   2,254,664.48/3,381,947.45 = 548,816.78/x
3. Step 3: Cross multiply
   2,254,664.48x = 3,381,947.45 × 548,816.78
4. Step 4: Simplify right side
   2,254,664.48x = 1,856,069,520,494.15
5. Step 5: Solve for x
   x = 1,856,069,520,494.15/2,254,664.48
6. Step 6: Final answer
   x = 823,213.18