Finding the Fourth Proportional to 3,320.58, 4,991.82 and 2,773.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,320.58 : 4,991.82 = 2,773.83 : x
2. Step 2: Convert to fraction form
   3,320.58/4,991.82 = 2,773.83/x
3. Step 3: Cross multiply
   3,320.58x = 4,991.82 × 2,773.83
4. Step 4: Simplify right side
   3,320.58x = 13,846,460.07
5. Step 5: Solve for x
   x = 13,846,460.07/3,320.58
6. Step 6: Final answer
   x = 4,169.89