Finding the Fourth Proportional to 16,253.32, 22,429.56 and 9,881.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,253.32 : 22,429.56 = 9,881.96 : x
2. Step 2: Convert to fraction form
   16,253.32/22,429.56 = 9,881.96/x
3. Step 3: Cross multiply
   16,253.32x = 22,429.56 × 9,881.96
4. Step 4: Simplify right side
   16,253.32x = 221,648,014.74
5. Step 5: Solve for x
   x = 221,648,014.74/16,253.32
6. Step 6: Final answer
   x = 13,637.09