Finding the Fourth Proportional to 13,028.34, 17,978.86 and 7,362.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,028.34 : 17,978.86 = 7,362.96 : x
2. Step 2: Convert to fraction form
   13,028.34/17,978.86 = 7,362.96/x
3. Step 3: Cross multiply
   13,028.34x = 17,978.86 × 7,362.96
4. Step 4: Simplify right side
   13,028.34x = 132,377,627.03
5. Step 5: Solve for x
   x = 132,377,627.03/13,028.34
6. Step 6: Final answer
   x = 10,160.74