Finding the Fourth Proportional to 16,386.47, 24,579.72 and 4,074.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,386.47 : 24,579.72 = 4,074.47 : x
2. Step 2: Convert to fraction form
   16,386.47/24,579.72 = 4,074.47/x
3. Step 3: Cross multiply
   16,386.47x = 24,579.72 × 4,074.47
4. Step 4: Simplify right side
   16,386.47x = 100,149,301.02
5. Step 5: Solve for x
   x = 100,149,301.02/16,386.47
6. Step 6: Final answer
   x = 6,111.71