Finding the Fourth Proportional to 12,396.87, 17,093.22 and 9,247.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,396.87 : 17,093.22 = 9,247.59 : x
2. Step 2: Convert to fraction form
   12,396.87/17,093.22 = 9,247.59/x
3. Step 3: Cross multiply
   12,396.87x = 17,093.22 × 9,247.59
4. Step 4: Simplify right side
   12,396.87x = 158,071,090.34
5. Step 5: Solve for x
   x = 158,071,090.34/12,396.87
6. Step 6: Final answer
   x = 12,750.89