Finding the Fourth Proportional to 14,387.22, 21,589.47 and 5,153.94

Step by Step Solution

1. Step 1: Write the proportion equation
   14,387.22 : 21,589.47 = 5,153.94 : x
2. Step 2: Convert to fraction form
   14,387.22/21,589.47 = 5,153.94/x
3. Step 3: Cross multiply
   14,387.22x = 21,589.47 × 5,153.94
4. Step 4: Simplify right side
   14,387.22x = 111,270,833.01
5. Step 5: Solve for x
   x = 111,270,833.01/14,387.22
6. Step 6: Final answer
   x = 7,734.01