Finding the Fourth Proportional to 9,387.54, 12,954.33 and 5,196.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,387.54 : 12,954.33 = 5,196.06 : x
2. Step 2: Convert to fraction form
   9,387.54/12,954.33 = 5,196.06/x
3. Step 3: Cross multiply
   9,387.54x = 12,954.33 × 5,196.06
4. Step 4: Simplify right side
   9,387.54x = 67,311,475.94
5. Step 5: Solve for x
   x = 67,311,475.94/9,387.54
6. Step 6: Final answer
   x = 7,170.30