Finding the Fourth Proportional to 12,527.94, 17,288.52 and 7,222.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.94 : 17,288.52 = 7,222.71 : x
2. Step 2: Convert to fraction form
   12,527.94/17,288.52 = 7,222.71/x
3. Step 3: Cross multiply
   12,527.94x = 17,288.52 × 7,222.71
4. Step 4: Simplify right side
   12,527.94x = 124,869,966.29
5. Step 5: Solve for x
   x = 124,869,966.29/12,527.94
6. Step 6: Final answer
   x = 9,967.32