Finding the Fourth Proportional to 3,875.76, 5,348.42 and 2,107.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.76 : 5,348.42 = 2,107.37 : x
2. Step 2: Convert to fraction form
   3,875.76/5,348.42 = 2,107.37/x
3. Step 3: Cross multiply
   3,875.76x = 5,348.42 × 2,107.37
4. Step 4: Simplify right side
   3,875.76x = 11,271,099.86
5. Step 5: Solve for x
   x = 11,271,099.86/3,875.76
6. Step 6: Final answer
   x = 2,908.10