Finding the Fourth Proportional to 13,006.95, 17,949.56 and 7,038.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,006.95 : 17,949.56 = 7,038.72 : x
2. Step 2: Convert to fraction form
   13,006.95/17,949.56 = 7,038.72/x
3. Step 3: Cross multiply
   13,006.95x = 17,949.56 × 7,038.72
4. Step 4: Simplify right side
   13,006.95x = 126,341,891.77
5. Step 5: Solve for x
   x = 126,341,891.77/13,006.95
6. Step 6: Final answer
   x = 9,713.41