Finding the Fourth Proportional to 7,800.39, 10,764.59 and 4,263.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,800.39 : 10,764.59 = 4,263.71 : x
2. Step 2: Convert to fraction form
   7,800.39/10,764.59 = 4,263.71/x
3. Step 3: Cross multiply
   7,800.39x = 10,764.59 × 4,263.71
4. Step 4: Simplify right side
   7,800.39x = 45,897,014.89
5. Step 5: Solve for x
   x = 45,897,014.89/7,800.39
6. Step 6: Final answer
   x = 5,883.94