Finding the Fourth Proportional to 13,022.98, 17,972.82 and 7,358.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,022.98 : 17,972.82 = 7,358.76 : x
2. Step 2: Convert to fraction form
   13,022.98/17,972.82 = 7,358.76/x
3. Step 3: Cross multiply
   13,022.98x = 17,972.82 × 7,358.76
4. Step 4: Simplify right side
   13,022.98x = 132,257,668.90
5. Step 5: Solve for x
   x = 132,257,668.90/13,022.98
6. Step 6: Final answer
   x = 10,155.71