Finding the Fourth Proportional to 7,788.72, 10,748.37 and 4,251.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,788.72 : 10,748.37 = 4,251.93 : x
2. Step 2: Convert to fraction form
   7,788.72/10,748.37 = 4,251.93/x
3. Step 3: Cross multiply
   7,788.72x = 10,748.37 × 4,251.93
4. Step 4: Simplify right side
   7,788.72x = 45,701,316.85
5. Step 5: Solve for x
   x = 45,701,316.85/7,788.72
6. Step 6: Final answer
   x = 5,867.63