Finding the Fourth Proportional to 7,789.76, 10,749.71 and 4,253.00

Step by Step Solution

1. Step 1: Write the proportion equation
   7,789.76 : 10,749.71 = 4,253.00 : x
2. Step 2: Convert to fraction form
   7,789.76/10,749.71 = 4,253.00/x
3. Step 3: Cross multiply
   7,789.76x = 10,749.71 × 4,253.00
4. Step 4: Simplify right side
   7,789.76x = 45,718,441.62
5. Step 5: Solve for x
   x = 45,718,441.62/7,789.76
6. Step 6: Final answer
   x = 5,869.05