Finding the Fourth Proportional to 13,030.28, 17,981.68 and 7,365.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,030.28 : 17,981.68 = 7,365.04 : x
2. Step 2: Convert to fraction form
   13,030.28/17,981.68 = 7,365.04/x
3. Step 3: Cross multiply
   13,030.28x = 17,981.68 × 7,365.04
4. Step 4: Simplify right side
   13,030.28x = 132,435,792.47
5. Step 5: Solve for x
   x = 132,435,792.47/13,030.28
6. Step 6: Final answer
   x = 10,163.70