Finding the Fourth Proportional to 13,002.50, 17,943.72 and 7,695.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.50 : 17,943.72 = 7,695.38 : x
2. Step 2: Convert to fraction form
   13,002.50/17,943.72 = 7,695.38/x
3. Step 3: Cross multiply
   13,002.50x = 17,943.72 × 7,695.38
4. Step 4: Simplify right side
   13,002.50x = 138,083,744.01
5. Step 5: Solve for x
   x = 138,083,744.01/13,002.50
6. Step 6: Final answer
   x = 10,619.78