Finding the Fourth Proportional to 2,479,997.45, 3,422,160.16 and 1,392,019.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479,997.45 : 3,422,160.16 = 1,392,019.63 : x
2. Step 2: Convert to fraction form
   2,479,997.45/3,422,160.16 = 1,392,019.63/x
3. Step 3: Cross multiply
   2,479,997.45x = 3,422,160.16 × 1,392,019.63
4. Step 4: Simplify right side
   2,479,997.45x = 4,763,714,107,688.49
5. Step 5: Solve for x
   x = 4,763,714,107,688.49/2,479,997.45
6. Step 6: Final answer
   x = 1,920,854.44