Finding the Fourth Proportional to 16,531.34, 22,813.10 and 8,977.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,531.34 : 22,813.10 = 8,977.52 : x
2. Step 2: Convert to fraction form
   16,531.34/22,813.10 = 8,977.52/x
3. Step 3: Cross multiply
   16,531.34x = 22,813.10 × 8,977.52
4. Step 4: Simplify right side
   16,531.34x = 204,805,061.51
5. Step 5: Solve for x
   x = 204,805,061.51/16,531.34
6. Step 6: Final answer
   x = 12,388.90