Finding the Fourth Proportional to 13,020.89, 17,967.55 and 7,277.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020.89 : 17,967.55 = 7,277.29 : x
2. Step 2: Convert to fraction form
   13,020.89/17,967.55 = 7,277.29/x
3. Step 3: Cross multiply
   13,020.89x = 17,967.55 × 7,277.29
4. Step 4: Simplify right side
   13,020.89x = 130,755,008.83
5. Step 5: Solve for x
   x = 130,755,008.83/13,020.89
6. Step 6: Final answer
   x = 10,041.94