Finding the Fourth Proportional to 13,030.29, 17,981.60 and 7,365.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,030.29 : 17,981.60 = 7,365.02 : x
2. Step 2: Convert to fraction form
   13,030.29/17,981.60 = 7,365.02/x
3. Step 3: Cross multiply
   13,030.29x = 17,981.60 × 7,365.02
4. Step 4: Simplify right side
   13,030.29x = 132,434,716.90
5. Step 5: Solve for x
   x = 132,434,716.90/13,030.29
6. Step 6: Final answer
   x = 10,163.60