Finding the Fourth Proportional to 3,847.03, 5,308.89 and 2,078.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,847.03 : 5,308.89 = 2,078.63 : x
2. Step 2: Convert to fraction form
   3,847.03/5,308.89 = 2,078.63/x
3. Step 3: Cross multiply
   3,847.03x = 5,308.89 × 2,078.63
4. Step 4: Simplify right side
   3,847.03x = 11,035,218.02
5. Step 5: Solve for x
   x = 11,035,218.02/3,847.03
6. Step 6: Final answer
   x = 2,868.50