Finding the Fourth Proportional to 16,381.84, 22,607.56 and 9,308.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,381.84 : 22,607.56 = 9,308.56 : x
2. Step 2: Convert to fraction form
   16,381.84/22,607.56 = 9,308.56/x
3. Step 3: Cross multiply
   16,381.84x = 22,607.56 × 9,308.56
4. Step 4: Simplify right side
   16,381.84x = 210,443,828.71
5. Step 5: Solve for x
   x = 210,443,828.71/16,381.84
6. Step 6: Final answer
   x = 12,846.17