Finding the Fourth Proportional to 3,380.76, 5,065.47 and 2,730.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380.76 : 5,065.47 = 2,730.33 : x
2. Step 2: Convert to fraction form
   3,380.76/5,065.47 = 2,730.33/x
3. Step 3: Cross multiply
   3,380.76x = 5,065.47 × 2,730.33
4. Step 4: Simplify right side
   3,380.76x = 13,830,404.71
5. Step 5: Solve for x
   x = 13,830,404.71/3,380.76
6. Step 6: Final answer
   x = 4,090.92