Finding the Fourth Proportional to 11,807.27, 16,282.80 and 9,114.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,807.27 : 16,282.80 = 9,114.20 : x
2. Step 2: Convert to fraction form
   11,807.27/16,282.80 = 9,114.20/x
3. Step 3: Cross multiply
   11,807.27x = 16,282.80 × 9,114.20
4. Step 4: Simplify right side
   11,807.27x = 148,404,614.35
5. Step 5: Solve for x
   x = 148,404,614.35/11,807.27
6. Step 6: Final answer
   x = 12,568.92