Finding the Fourth Proportional to 16,503.69, 24,763.71 and 7,739.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,503.69 : 24,763.71 = 7,739.28 : x
2. Step 2: Convert to fraction form
   16,503.69/24,763.71 = 7,739.28/x
3. Step 3: Cross multiply
   16,503.69x = 24,763.71 × 7,739.28
4. Step 4: Simplify right side
   16,503.69x = 191,653,285.53
5. Step 5: Solve for x
   x = 191,653,285.53/16,503.69
6. Step 6: Final answer
   x = 11,612.75