Finding the Fourth Proportional to 3,436.86, 4,745.34 and 2,112.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.86 : 4,745.34 = 2,112.36 : x
2. Step 2: Convert to fraction form
   3,436.86/4,745.34 = 2,112.36/x
3. Step 3: Cross multiply
   3,436.86x = 4,745.34 × 2,112.36
4. Step 4: Simplify right side
   3,436.86x = 10,023,866.40
5. Step 5: Solve for x
   x = 10,023,866.40/3,436.86
6. Step 6: Final answer
   x = 2,916.58