Finding the Fourth Proportional to 3,300.56, 4,556.85 and 2,123.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.56 : 4,556.85 = 2,123.68 : x
2. Step 2: Convert to fraction form
   3,300.56/4,556.85 = 2,123.68/x
3. Step 3: Cross multiply
   3,300.56x = 4,556.85 × 2,123.68
4. Step 4: Simplify right side
   3,300.56x = 9,677,274.51
5. Step 5: Solve for x
   x = 9,677,274.51/3,300.56
6. Step 6: Final answer
   x = 2,932.01