Finding the Fourth Proportional to 13,165.07, 18,167.81 and 7,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,165.07 : 18,167.81 = 7,196.76 : x
2. Step 2: Convert to fraction form
   13,165.07/18,167.81 = 7,196.76/x
3. Step 3: Cross multiply
   13,165.07x = 18,167.81 × 7,196.76
4. Step 4: Simplify right side
   13,165.07x = 130,749,332.31
5. Step 5: Solve for x
   x = 130,749,332.31/13,165.07
6. Step 6: Final answer
   x = 9,931.54