Finding the Fourth Proportional to 2,428,864.76, 3,641,845.62 and 830,896.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,864.76 : 3,641,845.62 = 830,896.76 : x
2. Step 2: Convert to fraction form
   2,428,864.76/3,641,845.62 = 830,896.76/x
3. Step 3: Cross multiply
   2,428,864.76x = 3,641,845.62 × 830,896.76
4. Step 4: Simplify right side
   2,428,864.76x = 3,025,997,726,078.19
5. Step 5: Solve for x
   x = 3,025,997,726,078.19/2,428,864.76
6. Step 6: Final answer
   x = 1,245,848.59