Finding the Fourth Proportional to 16,502.16, 22,763.78 and 9,781.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,502.16 : 22,763.78 = 9,781.32 : x
2. Step 2: Convert to fraction form
   16,502.16/22,763.78 = 9,781.32/x
3. Step 3: Cross multiply
   16,502.16x = 22,763.78 × 9,781.32
4. Step 4: Simplify right side
   16,502.16x = 222,659,816.59
5. Step 5: Solve for x
   x = 222,659,816.59/16,502.16
6. Step 6: Final answer
   x = 13,492.77