Finding the Fourth Proportional to 2,191,767.48, 3,286,105.74 and 842,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,767.48 : 3,286,105.74 = 842,796.72 : x
2. Step 2: Convert to fraction form
   2,191,767.48/3,286,105.74 = 842,796.72/x
3. Step 3: Cross multiply
   2,191,767.48x = 3,286,105.74 × 842,796.72
4. Step 4: Simplify right side
   2,191,767.48x = 2,769,519,139,245.17
5. Step 5: Solve for x
   x = 2,769,519,139,245.17/2,191,767.48
6. Step 6: Final answer
   x = 1,263,600.80