Finding the Fourth Proportional to 13,028.09, 17,979.53 and 7,362.70

Step by Step Solution

1. Step 1: Write the proportion equation
   13,028.09 : 17,979.53 = 7,362.70 : x
2. Step 2: Convert to fraction form
   13,028.09/17,979.53 = 7,362.70/x
3. Step 3: Cross multiply
   13,028.09x = 17,979.53 × 7,362.70
4. Step 4: Simplify right side
   13,028.09x = 132,377,885.53
5. Step 5: Solve for x
   x = 132,377,885.53/13,028.09
6. Step 6: Final answer
   x = 10,160.96