Finding the Fourth Proportional to 13,060.47, 18,022.72 and 7,682.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,060.47 : 18,022.72 = 7,682.07 : x
2. Step 2: Convert to fraction form
   13,060.47/18,022.72 = 7,682.07/x
3. Step 3: Cross multiply
   13,060.47x = 18,022.72 × 7,682.07
4. Step 4: Simplify right side
   13,060.47x = 138,451,758.22
5. Step 5: Solve for x
   x = 138,451,758.22/13,060.47
6. Step 6: Final answer
   x = 10,600.83