Finding the Fourth Proportional to 13,029.93, 17,981.52 and 7,061.79

Step by Step Solution

1. Step 1: Write the proportion equation
   13,029.93 : 17,981.52 = 7,061.79 : x
2. Step 2: Convert to fraction form
   13,029.93/17,981.52 = 7,061.79/x
3. Step 3: Cross multiply
   13,029.93x = 17,981.52 × 7,061.79
4. Step 4: Simplify right side
   13,029.93x = 126,981,718.12
5. Step 5: Solve for x
   x = 126,981,718.12/13,029.93
6. Step 6: Final answer
   x = 9,745.39