Finding the Fourth Proportional to 16,435.72, 22,681.86 and 8,983.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,435.72 : 22,681.86 = 8,983.72 : x
2. Step 2: Convert to fraction form
   16,435.72/22,681.86 = 8,983.72/x
3. Step 3: Cross multiply
   16,435.72x = 22,681.86 × 8,983.72
4. Step 4: Simplify right side
   16,435.72x = 203,767,479.32
5. Step 5: Solve for x
   x = 203,767,479.32/16,435.72
6. Step 6: Final answer
   x = 12,397.84