Finding the Fourth Proportional to 16,332.78, 24,497.86 and 5,236.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,332.78 : 24,497.86 = 5,236.50 : x
2. Step 2: Convert to fraction form
   16,332.78/24,497.86 = 5,236.50/x
3. Step 3: Cross multiply
   16,332.78x = 24,497.86 × 5,236.50
4. Step 4: Simplify right side
   16,332.78x = 128,283,043.89
5. Step 5: Solve for x
   x = 128,283,043.89/16,332.78
6. Step 6: Final answer
   x = 7,854.33