Finding the Fourth Proportional to 2,540,443.17, 3,809,862.05 and 834,305.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,443.17 : 3,809,862.05 = 834,305.34 : x
2. Step 2: Convert to fraction form
   2,540,443.17/3,809,862.05 = 834,305.34/x
3. Step 3: Cross multiply
   2,540,443.17x = 3,809,862.05 × 834,305.34
4. Step 4: Simplify right side
   2,540,443.17x = 3,178,588,252,978.35
5. Step 5: Solve for x
   x = 3,178,588,252,978.35/2,540,443.17
6. Step 6: Final answer
   x = 1,251,194.39