Finding the Fourth Proportional to 12,388.22, 17,094.61 and 7,351.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388.22 : 17,094.61 = 7,351.57 : x
2. Step 2: Convert to fraction form
   12,388.22/17,094.61 = 7,351.57/x
3. Step 3: Cross multiply
   12,388.22x = 17,094.61 × 7,351.57
4. Step 4: Simplify right side
   12,388.22x = 125,672,222.04
5. Step 5: Solve for x
   x = 125,672,222.04/12,388.22
6. Step 6: Final answer
   x = 10,144.49