Finding the Fourth Proportional to 2,480,086.86, 3,422,717.47 and 1,392,429.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480,086.86 : 3,422,717.47 = 1,392,429.79 : x
2. Step 2: Convert to fraction form
   2,480,086.86/3,422,717.47 = 1,392,429.79/x
3. Step 3: Cross multiply
   2,480,086.86x = 3,422,717.47 × 1,392,429.79
4. Step 4: Simplify right side
   2,480,086.86x = 4,765,893,774,000.37
5. Step 5: Solve for x
   x = 4,765,893,774,000.37/2,480,086.86
6. Step 6: Final answer
   x = 1,921,664.06