Finding the Fourth Proportional to 17,886.02, 24,694.27 and 12,218.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,886.02 : 24,694.27 = 12,218.72 : x
2. Step 2: Convert to fraction form
   17,886.02/24,694.27 = 12,218.72/x
3. Step 3: Cross multiply
   17,886.02x = 24,694.27 × 12,218.72
4. Step 4: Simplify right side
   17,886.02x = 301,732,216.72
5. Step 5: Solve for x
   x = 301,732,216.72/17,886.02
6. Step 6: Final answer
   x = 16,869.73