Finding the Fourth Proportional to 12,888.24, 17,786.76 and 7,300.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,888.24 : 17,786.76 = 7,300.08 : x
2. Step 2: Convert to fraction form
   12,888.24/17,786.76 = 7,300.08/x
3. Step 3: Cross multiply
   12,888.24x = 17,786.76 × 7,300.08
4. Step 4: Simplify right side
   12,888.24x = 129,844,770.94
5. Step 5: Solve for x
   x = 129,844,770.94/12,888.24
6. Step 6: Final answer
   x = 10,074.67