Finding the Fourth Proportional to 2,538,356.34, 3,807,547.47 and 855,474.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,356.34 : 3,807,547.47 = 855,474.42 : x
2. Step 2: Convert to fraction form
   2,538,356.34/3,807,547.47 = 855,474.42/x
3. Step 3: Cross multiply
   2,538,356.34x = 3,807,547.47 × 855,474.42
4. Step 4: Simplify right side
   2,538,356.34x = 3,257,259,463,520.72
5. Step 5: Solve for x
   x = 3,257,259,463,520.72/2,538,356.34
6. Step 6: Final answer
   x = 1,283,216.00