Finding the Fourth Proportional to 2,245,878.42, 3,099,862.98 and 1,279,578.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245,878.42 : 3,099,862.98 = 1,279,578.48 : x
2. Step 2: Convert to fraction form
   2,245,878.42/3,099,862.98 = 1,279,578.48/x
3. Step 3: Cross multiply
   2,245,878.42x = 3,099,862.98 × 1,279,578.48
4. Step 4: Simplify right side
   2,245,878.42x = 3,966,517,960,156.67
5. Step 5: Solve for x
   x = 3,966,517,960,156.67/2,245,878.42
6. Step 6: Final answer
   x = 1,766,132.10