Finding the Fourth Proportional to 3,380.00, 5,045.56 and 2,920.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380.00 : 5,045.56 = 2,920.73 : x
2. Step 2: Convert to fraction form
   3,380.00/5,045.56 = 2,920.73/x
3. Step 3: Cross multiply
   3,380.00x = 5,045.56 × 2,920.73
4. Step 4: Simplify right side
   3,380.00x = 14,736,685.93
5. Step 5: Solve for x
   x = 14,736,685.93/3,380.00
6. Step 6: Final answer
   x = 4,359.97