Finding the Fourth Proportional to 2,076,849.40, 3,113,123.70 and 1,128,215.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076,849.40 : 3,113,123.70 = 1,128,215.80 : x
2. Step 2: Convert to fraction form
   2,076,849.40/3,113,123.70 = 1,128,215.80/x
3. Step 3: Cross multiply
   2,076,849.40x = 3,113,123.70 × 1,128,215.80
4. Step 4: Simplify right side
   2,076,849.40x = 3,512,275,345,694.46
5. Step 5: Solve for x
   x = 3,512,275,345,694.46/2,076,849.40
6. Step 6: Final answer
   x = 1,691,155.53