Finding the Fourth Proportional to 2,084,761.54, 2,878,766.49 and 1,311,681.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084,761.54 : 2,878,766.49 = 1,311,681.34 : x
2. Step 2: Convert to fraction form
   2,084,761.54/2,878,766.49 = 1,311,681.34/x
3. Step 3: Cross multiply
   2,084,761.54x = 2,878,766.49 × 1,311,681.34
4. Step 4: Simplify right side
   2,084,761.54x = 3,776,024,287,150.30
5. Step 5: Solve for x
   x = 3,776,024,287,150.30/2,084,761.54
6. Step 6: Final answer
   x = 1,811,249.97