Finding the Fourth Proportional to 13,029.57, 17,980.87 and 7,061.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,029.57 : 17,980.87 = 7,061.24 : x
2. Step 2: Convert to fraction form
   13,029.57/17,980.87 = 7,061.24/x
3. Step 3: Cross multiply
   13,029.57x = 17,980.87 × 7,061.24
4. Step 4: Simplify right side
   13,029.57x = 126,967,279.02
5. Step 5: Solve for x
   x = 126,967,279.02/13,029.57
6. Step 6: Final answer
   x = 9,744.55