Finding the Fourth Proportional to 9,612.27, 13,283.60 and 7,816.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,612.27 : 13,283.60 = 7,816.10 : x
2. Step 2: Convert to fraction form
   9,612.27/13,283.60 = 7,816.10/x
3. Step 3: Cross multiply
   9,612.27x = 13,283.60 × 7,816.10
4. Step 4: Simplify right side
   9,612.27x = 103,825,840.46
5. Step 5: Solve for x
   x = 103,825,840.46/9,612.27
6. Step 6: Final answer
   x = 10,801.39