Finding the Fourth Proportional to 2,728,298.36, 4,091,321.54 and 931,326.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728,298.36 : 4,091,321.54 = 931,326.73 : x
2. Step 2: Convert to fraction form
   2,728,298.36/4,091,321.54 = 931,326.73/x
3. Step 3: Cross multiply
   2,728,298.36x = 4,091,321.54 × 931,326.73
4. Step 4: Simplify right side
   2,728,298.36x = 3,810,357,103,326.78
5. Step 5: Solve for x
   x = 3,810,357,103,326.78/2,728,298.36
6. Step 6: Final answer
   x = 1,396,605.72