Finding the Fourth Proportional to 13,004.22, 17,945.10 and 7,339.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,004.22 : 17,945.10 = 7,339.92 : x
2. Step 2: Convert to fraction form
   13,004.22/17,945.10 = 7,339.92/x
3. Step 3: Cross multiply
   13,004.22x = 17,945.10 × 7,339.92
4. Step 4: Simplify right side
   13,004.22x = 131,715,598.39
5. Step 5: Solve for x
   x = 131,715,598.39/13,004.22
6. Step 6: Final answer
   x = 10,128.68