Finding the Fourth Proportional to 9,686.17, 13,388.25 and 7,052.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,686.17 : 13,388.25 = 7,052.05 : x
2. Step 2: Convert to fraction form
   9,686.17/13,388.25 = 7,052.05/x
3. Step 3: Cross multiply
   9,686.17x = 13,388.25 × 7,052.05
4. Step 4: Simplify right side
   9,686.17x = 94,414,608.41
5. Step 5: Solve for x
   x = 94,414,608.41/9,686.17
6. Step 6: Final answer
   x = 9,747.36