Finding the Fourth Proportional to 16,644.61, 24,973.40 and 7,886.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,644.61 : 24,973.40 = 7,886.89 : x
2. Step 2: Convert to fraction form
   16,644.61/24,973.40 = 7,886.89/x
3. Step 3: Cross multiply
   16,644.61x = 24,973.40 × 7,886.89
4. Step 4: Simplify right side
   16,644.61x = 196,962,458.73
5. Step 5: Solve for x
   x = 196,962,458.73/16,644.61
6. Step 6: Final answer
   x = 11,833.41