Finding the Fourth Proportional to 16,518.49, 24,781.52 and 7,160.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,518.49 : 24,781.52 = 7,160.08 : x
2. Step 2: Convert to fraction form
   16,518.49/24,781.52 = 7,160.08/x
3. Step 3: Cross multiply
   16,518.49x = 24,781.52 × 7,160.08
4. Step 4: Simplify right side
   16,518.49x = 177,437,665.72
5. Step 5: Solve for x
   x = 177,437,665.72/16,518.49
6. Step 6: Final answer
   x = 10,741.76