Finding the Fourth Proportional to 2,428,113.86, 3,641,315.76 and 808,442.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,113.86 : 3,641,315.76 = 808,442.94 : x
2. Step 2: Convert to fraction form
   2,428,113.86/3,641,315.76 = 808,442.94/x
3. Step 3: Cross multiply
   2,428,113.86x = 3,641,315.76 × 808,442.94
4. Step 4: Simplify right side
   2,428,113.86x = 2,943,796,018,482.73
5. Step 5: Solve for x
   x = 2,943,796,018,482.73/2,428,113.86
6. Step 6: Final answer
   x = 1,212,379.73