Finding the Fourth Proportional to 2,083,685.76, 3,126,000 and 663,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083,685.76 : 3,126,000 = 663,822.72 : x
2. Step 2: Convert to fraction form
   2,083,685.76/3,126,000 = 663,822.72/x
3. Step 3: Cross multiply
   2,083,685.76x = 3,126,000 × 663,822.72
4. Step 4: Simplify right side
   2,083,685.76x = 2,075,109,822,720
5. Step 5: Solve for x
   x = 2,075,109,822,720/2,083,685.76
6. Step 6: Final answer
   x = 995,884.25