Finding the Fourth Proportional to 2,878,925.76, 4,315,498.56 and 984,371.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878,925.76 : 4,315,498.56 = 984,371.40 : x
2. Step 2: Convert to fraction form
   2,878,925.76/4,315,498.56 = 984,371.40/x
3. Step 3: Cross multiply
   2,878,925.76x = 4,315,498.56 × 984,371.40
4. Step 4: Simplify right side
   2,878,925.76x = 4,248,053,359,205.18
5. Step 5: Solve for x
   x = 4,248,053,359,205.18/2,878,925.76
6. Step 6: Final answer
   x = 1,475,568.91