Finding the Fourth Proportional to 8,736.43, 12,050.76 and 5,197

Step by Step Solution

1. Step 1: Write the proportion equation
   8,736.43 : 12,050.76 = 5,197 : x
2. Step 2: Convert to fraction form
   8,736.43/12,050.76 = 5,197/x
3. Step 3: Cross multiply
   8,736.43x = 12,050.76 × 5,197
4. Step 4: Simplify right side
   8,736.43x = 62,627,799.72
5. Step 5: Solve for x
   x = 62,627,799.72/8,736.43
6. Step 6: Final answer
   x = 7,168.58