Finding the Fourth Proportional to 7,123.94, 10,686.76 and 2,966.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123.94 : 10,686.76 = 2,966.75 : x
2. Step 2: Convert to fraction form
   7,123.94/10,686.76 = 2,966.75/x
3. Step 3: Cross multiply
   7,123.94x = 10,686.76 × 2,966.75
4. Step 4: Simplify right side
   7,123.94x = 31,704,945.23
5. Step 5: Solve for x
   x = 31,704,945.23/7,123.94
6. Step 6: Final answer
   x = 4,450.48