Finding the Fourth Proportional to 3,943,736.78, 5,442,356.76 and 2,132,900.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943,736.78 : 5,442,356.76 = 2,132,900.78 : x
2. Step 2: Convert to fraction form
   3,943,736.78/5,442,356.76 = 2,132,900.78/x
3. Step 3: Cross multiply
   3,943,736.78x = 5,442,356.76 × 2,132,900.78
4. Step 4: Simplify right side
   3,943,736.78x = 11,608,006,978,442.27
5. Step 5: Solve for x
   x = 11,608,006,978,442.27/3,943,736.78
6. Step 6: Final answer
   x = 2,943,403.08