Finding the Fourth Proportional to 16,538.47, 24,809.27 and 5,445.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,538.47 : 24,809.27 = 5,445.18 : x
2. Step 2: Convert to fraction form
   16,538.47/24,809.27 = 5,445.18/x
3. Step 3: Cross multiply
   16,538.47x = 24,809.27 × 5,445.18
4. Step 4: Simplify right side
   16,538.47x = 135,090,913.59
5. Step 5: Solve for x
   x = 135,090,913.59/16,538.47
6. Step 6: Final answer
   x = 8,168.28