Finding the Fourth Proportional to 2,076,929.80, 3,113,061.90 and 878,648.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076,929.80 : 3,113,061.90 = 878,648.20 : x
2. Step 2: Convert to fraction form
   2,076,929.80/3,113,061.90 = 878,648.20/x
3. Step 3: Cross multiply
   2,076,929.80x = 3,113,061.90 × 878,648.20
4. Step 4: Simplify right side
   2,076,929.80x = 2,735,286,234,923.58
5. Step 5: Solve for x
   x = 2,735,286,234,923.58/2,076,929.80
6. Step 6: Final answer
   x = 1,316,985.41