Finding the Fourth Proportional to 2,878,961.76, 4,315,552.56 and 984,407.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878,961.76 : 4,315,552.56 = 984,407.52 : x
2. Step 2: Convert to fraction form
   2,878,961.76/4,315,552.56 = 984,407.52/x
3. Step 3: Cross multiply
   2,878,961.76x = 4,315,552.56 × 984,407.52
4. Step 4: Simplify right side
   2,878,961.76x = 4,248,262,393,019.25
5. Step 5: Solve for x
   x = 4,248,262,393,019.25/2,878,961.76
6. Step 6: Final answer
   x = 1,475,623.07