Finding the Fourth Proportional to 16,377.21, 22,600.55 and 9,303.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,377.21 : 22,600.55 = 9,303.62 : x
2. Step 2: Convert to fraction form
   16,377.21/22,600.55 = 9,303.62/x
3. Step 3: Cross multiply
   16,377.21x = 22,600.55 × 9,303.62
4. Step 4: Simplify right side
   16,377.21x = 210,266,839.25
5. Step 5: Solve for x
   x = 210,266,839.25/16,377.21
6. Step 6: Final answer
   x = 12,838.99