Finding the Fourth Proportional to 3,303.05, 4,557.89 and 1,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,303.05 : 4,557.89 = 1,976.72 : x
2. Step 2: Convert to fraction form
   3,303.05/4,557.89 = 1,976.72/x
3. Step 3: Cross multiply
   3,303.05x = 4,557.89 × 1,976.72
4. Step 4: Simplify right side
   3,303.05x = 9,009,688.22
5. Step 5: Solve for x
   x = 9,009,688.22/3,303.05
6. Step 6: Final answer
   x = 2,727.69