Finding the Fourth Proportional to 1,345,895.48, 1,857,447.42 and 773,046.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,895.48 : 1,857,447.42 = 773,046.20 : x
2. Step 2: Convert to fraction form
   1,345,895.48/1,857,447.42 = 773,046.20/x
3. Step 3: Cross multiply
   1,345,895.48x = 1,857,447.42 × 773,046.20
4. Step 4: Simplify right side
   1,345,895.48x = 1,435,892,669,730.80
5. Step 5: Solve for x
   x = 1,435,892,669,730.80/1,345,895.48
6. Step 6: Final answer
   x = 1,066,867.89