Finding the Fourth Proportional to 16,513.47, 22,791.58 and 10,778.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.47 : 22,791.58 = 10,778.06 : x
2. Step 2: Convert to fraction form
   16,513.47/22,791.58 = 10,778.06/x
3. Step 3: Cross multiply
   16,513.47x = 22,791.58 × 10,778.06
4. Step 4: Simplify right side
   16,513.47x = 245,649,046.77
5. Step 5: Solve for x
   x = 245,649,046.77/16,513.47
6. Step 6: Final answer
   x = 14,875.68