Finding the Fourth Proportional to 13,006.61, 17,949.04 and 7,341.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,006.61 : 17,949.04 = 7,341.42 : x
2. Step 2: Convert to fraction form
   13,006.61/17,949.04 = 7,341.42/x
3. Step 3: Cross multiply
   13,006.61x = 17,949.04 × 7,341.42
4. Step 4: Simplify right side
   13,006.61x = 131,771,422.88
5. Step 5: Solve for x
   x = 131,771,422.88/13,006.61
6. Step 6: Final answer
   x = 10,131.12