Finding the Fourth Proportional to 13,061.45, 18,024.55 and 7,396.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.45 : 18,024.55 = 7,396.11 : x
2. Step 2: Convert to fraction form
   13,061.45/18,024.55 = 7,396.11/x
3. Step 3: Cross multiply
   13,061.45x = 18,024.55 × 7,396.11
4. Step 4: Simplify right side
   13,061.45x = 133,311,536.01
5. Step 5: Solve for x
   x = 133,311,536.01/13,061.45
6. Step 6: Final answer
   x = 10,206.49