Finding the Fourth Proportional to 16,507.47, 24,729.51 and 13,182.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,507.47 : 24,729.51 = 13,182.31 : x
2. Step 2: Convert to fraction form
   16,507.47/24,729.51 = 13,182.31/x
3. Step 3: Cross multiply
   16,507.47x = 24,729.51 × 13,182.31
4. Step 4: Simplify right side
   16,507.47x = 325,992,066.97
5. Step 5: Solve for x
   x = 325,992,066.97/16,507.47
6. Step 6: Final answer
   x = 19,748.15