Finding the Fourth Proportional to 12,103.52, 16,664.89 and 10,996.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.52 : 16,664.89 = 10,996.32 : x
2. Step 2: Convert to fraction form
   12,103.52/16,664.89 = 10,996.32/x
3. Step 3: Cross multiply
   12,103.52x = 16,664.89 × 10,996.32
4. Step 4: Simplify right side
   12,103.52x = 183,252,408.22
5. Step 5: Solve for x
   x = 183,252,408.22/12,103.52
6. Step 6: Final answer
   x = 15,140.42