Finding the Fourth Proportional to 16,522.78, 24,788.07 and 5,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,522.78 : 24,788.07 = 5,429.50 : x
2. Step 2: Convert to fraction form
   16,522.78/24,788.07 = 5,429.50/x
3. Step 3: Cross multiply
   16,522.78x = 24,788.07 × 5,429.50
4. Step 4: Simplify right side
   16,522.78x = 134,586,826.07
5. Step 5: Solve for x
   x = 134,586,826.07/16,522.78
6. Step 6: Final answer
   x = 8,145.53