Finding the Fourth Proportional to 12,527.82, 17,284.50 and 7,221.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.82 : 17,284.50 = 7,221.96 : x
2. Step 2: Convert to fraction form
   12,527.82/17,284.50 = 7,221.96/x
3. Step 3: Cross multiply
   12,527.82x = 17,284.50 × 7,221.96
4. Step 4: Simplify right side
   12,527.82x = 124,827,967.62
5. Step 5: Solve for x
   x = 124,827,967.62/12,527.82
6. Step 6: Final answer
   x = 9,964.06