Finding the Fourth Proportional to 2,428,863.76, 3,641,844.12 and 830,895.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,863.76 : 3,641,844.12 = 830,895.76 : x
2. Step 2: Convert to fraction form
   2,428,863.76/3,641,844.12 = 830,895.76/x
3. Step 3: Cross multiply
   2,428,863.76x = 3,641,844.12 × 830,895.76
4. Step 4: Simplify right side
   2,428,863.76x = 3,025,992,837,888.93
5. Step 5: Solve for x
   x = 3,025,992,837,888.93/2,428,863.76
6. Step 6: Final answer
   x = 1,245,847.09