Finding the Fourth Proportional to 16,003.32, 23,983.74 and 8,505.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,003.32 : 23,983.74 = 8,505.30 : x
2. Step 2: Convert to fraction form
   16,003.32/23,983.74 = 8,505.30/x
3. Step 3: Cross multiply
   16,003.32x = 23,983.74 × 8,505.30
4. Step 4: Simplify right side
   16,003.32x = 203,988,903.82
5. Step 5: Solve for x
   x = 203,988,903.82/16,003.32
6. Step 6: Final answer
   x = 12,746.66