Finding the Fourth Proportional to 7,107.89, 10,663.34 and 2,177.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,107.89 : 10,663.34 = 2,177.37 : x
2. Step 2: Convert to fraction form
   7,107.89/10,663.34 = 2,177.37/x
3. Step 3: Cross multiply
   7,107.89x = 10,663.34 × 2,177.37
4. Step 4: Simplify right side
   7,107.89x = 23,218,025.73
5. Step 5: Solve for x
   x = 23,218,025.73/7,107.89
6. Step 6: Final answer
   x = 3,266.52