Finding the Fourth Proportional to 7,788.09, 10,747.71 and 4,251.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,788.09 : 10,747.71 = 4,251.43 : x
2. Step 2: Convert to fraction form
   7,788.09/10,747.71 = 4,251.43/x
3. Step 3: Cross multiply
   7,788.09x = 10,747.71 × 4,251.43
4. Step 4: Simplify right side
   7,788.09x = 45,693,109.86
5. Step 5: Solve for x
   x = 45,693,109.86/7,788.09
6. Step 6: Final answer
   x = 5,867.05