Finding the Fourth Proportional to 3,300.77, 4,548.49 and 2,354.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.77 : 4,548.49 = 2,354.90 : x
2. Step 2: Convert to fraction form
   3,300.77/4,548.49 = 2,354.90/x
3. Step 3: Cross multiply
   3,300.77x = 4,548.49 × 2,354.90
4. Step 4: Simplify right side
   3,300.77x = 10,711,210.47
5. Step 5: Solve for x
   x = 10,711,210.47/3,300.77
6. Step 6: Final answer
   x = 3,245.06