Finding the Fourth Proportional to 10,200.54, 14,078.94 and 7,784.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.54 : 14,078.94 = 7,784.18 : x
2. Step 2: Convert to fraction form
   10,200.54/14,078.94 = 7,784.18/x
3. Step 3: Cross multiply
   10,200.54x = 14,078.94 × 7,784.18
4. Step 4: Simplify right side
   10,200.54x = 109,593,022.06
5. Step 5: Solve for x
   x = 109,593,022.06/10,200.54
6. Step 6: Final answer
   x = 10,743.85