Finding the Fourth Proportional to 4,279,288.42, 5,906,023.46 and 2,648,221.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,279,288.42 : 5,906,023.46 = 2,648,221.12 : x
2. Step 2: Convert to fraction form
   4,279,288.42/5,906,023.46 = 2,648,221.12/x
3. Step 3: Cross multiply
   4,279,288.42x = 5,906,023.46 × 2,648,221.12
4. Step 4: Simplify right side
   4,279,288.42x = 15,640,456,061,987.48
5. Step 5: Solve for x
   x = 15,640,456,061,987.48/4,279,288.42
6. Step 6: Final answer
   x = 3,654,919.82