Finding the Fourth Proportional to 10,200.83, 15,291.88 and 3,965.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.83 : 15,291.88 = 3,965.00 : x
2. Step 2: Convert to fraction form
   10,200.83/15,291.88 = 3,965.00/x
3. Step 3: Cross multiply
   10,200.83x = 15,291.88 × 3,965.00
4. Step 4: Simplify right side
   10,200.83x = 60,632,217.83
5. Step 5: Solve for x
   x = 60,632,217.83/10,200.83
6. Step 6: Final answer
   x = 5,943.85