Finding the Fourth Proportional to 12,527.87, 17,290.06 and 7,222.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.87 : 17,290.06 = 7,222.73 : x
2. Step 2: Convert to fraction form
   12,527.87/17,290.06 = 7,222.73/x
3. Step 3: Cross multiply
   12,527.87x = 17,290.06 × 7,222.73
4. Step 4: Simplify right side
   12,527.87x = 124,881,330.56
5. Step 5: Solve for x
   x = 124,881,330.56/12,527.87
6. Step 6: Final answer
   x = 9,968.29