Finding the Fourth Proportional to 2,828,158.56, 4,242,659.94 and 1,311,994.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828,158.56 : 4,242,659.94 = 1,311,994.76 : x
2. Step 2: Convert to fraction form
   2,828,158.56/4,242,659.94 = 1,311,994.76/x
3. Step 3: Cross multiply
   2,828,158.56x = 4,242,659.94 × 1,311,994.76
4. Step 4: Simplify right side
   2,828,158.56x = 5,566,347,613,100.68
5. Step 5: Solve for x
   x = 5,566,347,613,100.68/2,828,158.56
6. Step 6: Final answer
   x = 1,968,187.96