Finding the Fourth Proportional to 2,540,514.86, 3,809,969.40 and 834,377

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,514.86 : 3,809,969.40 = 834,377 : x
2. Step 2: Convert to fraction form
   2,540,514.86/3,809,969.40 = 834,377/x
3. Step 3: Cross multiply
   2,540,514.86x = 3,809,969.40 × 834,377
4. Step 4: Simplify right side
   2,540,514.86x = 3,178,950,838,063.80
5. Step 5: Solve for x
   x = 3,178,950,838,063.80/2,540,514.86
6. Step 6: Final answer
   x = 1,251,301.81