Finding the Fourth Proportional to 11,736.50, 16,196.38 and 6,431.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,736.50 : 16,196.38 = 6,431.34 : x
2. Step 2: Convert to fraction form
   11,736.50/16,196.38 = 6,431.34/x
3. Step 3: Cross multiply
   11,736.50x = 16,196.38 × 6,431.34
4. Step 4: Simplify right side
   11,736.50x = 104,164,426.55
5. Step 5: Solve for x
   x = 104,164,426.55/11,736.50
6. Step 6: Final answer
   x = 8,875.25