Finding the Fourth Proportional to 12,805.95, 17,673.57 and 7,505.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,805.95 : 17,673.57 = 7,505.22 : x
2. Step 2: Convert to fraction form
   12,805.95/17,673.57 = 7,505.22/x
3. Step 3: Cross multiply
   12,805.95x = 17,673.57 × 7,505.22
4. Step 4: Simplify right side
   12,805.95x = 132,644,031.04
5. Step 5: Solve for x
   x = 132,644,031.04/12,805.95
6. Step 6: Final answer
   x = 10,358.00