Finding the Fourth Proportional to 2,086,057.56, 2,878,659.90 and 1,281,086.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,057.56 : 2,878,659.90 = 1,281,086.04 : x
2. Step 2: Convert to fraction form
   2,086,057.56/2,878,659.90 = 1,281,086.04/x
3. Step 3: Cross multiply
   2,086,057.56x = 2,878,659.90 × 1,281,086.04
4. Step 4: Simplify right side
   2,086,057.56x = 3,687,811,011,797.80
5. Step 5: Solve for x
   x = 3,687,811,011,797.80/2,086,057.56
6. Step 6: Final answer
   x = 1,767,837.61