Finding the Fourth Proportional to 12,965.49, 17,892.16 and 7,300.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,965.49 : 17,892.16 = 7,300.22 : x
2. Step 2: Convert to fraction form
   12,965.49/17,892.16 = 7,300.22/x
3. Step 3: Cross multiply
   12,965.49x = 17,892.16 × 7,300.22
4. Step 4: Simplify right side
   12,965.49x = 130,616,704.28
5. Step 5: Solve for x
   x = 130,616,704.28/12,965.49
6. Step 6: Final answer
   x = 10,074.18