Finding the Fourth Proportional to 14,493.78, 21,736.67 and 5,132.57

Step by Step Solution

1. Step 1: Write the proportion equation
   14,493.78 : 21,736.67 = 5,132.57 : x
2. Step 2: Convert to fraction form
   14,493.78/21,736.67 = 5,132.57/x
3. Step 3: Cross multiply
   14,493.78x = 21,736.67 × 5,132.57
4. Step 4: Simplify right side
   14,493.78x = 111,564,846.00
5. Step 5: Solve for x
   x = 111,564,846.00/14,493.78
6. Step 6: Final answer
   x = 7,697.43