Finding the Fourth Proportional to 11,892.25, 16,397.84 and 7,644.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.25 : 16,397.84 = 7,644.00 : x
2. Step 2: Convert to fraction form
   11,892.25/16,397.84 = 7,644.00/x
3. Step 3: Cross multiply
   11,892.25x = 16,397.84 × 7,644.00
4. Step 4: Simplify right side
   11,892.25x = 125,345,169.56
5. Step 5: Solve for x
   x = 125,345,169.56/11,892.25
6. Step 6: Final answer
   x = 10,540.07