Finding the Fourth Proportional to 16,339.64, 22,547.88 and 9,266.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,339.64 : 22,547.88 = 9,266.72 : x
2. Step 2: Convert to fraction form
   16,339.64/22,547.88 = 9,266.72/x
3. Step 3: Cross multiply
   16,339.64x = 22,547.88 × 9,266.72
4. Step 4: Simplify right side
   16,339.64x = 208,944,890.55
5. Step 5: Solve for x
   x = 208,944,890.55/16,339.64
6. Step 6: Final answer
   x = 12,787.61