Finding the Fourth Proportional to 2,499,828.86, 3,449,753.09 and 1,397,258.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,828.86 : 3,449,753.09 = 1,397,258.71 : x
2. Step 2: Convert to fraction form
   2,499,828.86/3,449,753.09 = 1,397,258.71/x
3. Step 3: Cross multiply
   2,499,828.86x = 3,449,753.09 × 1,397,258.71
4. Step 4: Simplify right side
   2,499,828.86x = 4,820,197,554,917.53
5. Step 5: Solve for x
   x = 4,820,197,554,917.53/2,499,828.86
6. Step 6: Final answer
   x = 1,928,211.02