Finding the Fourth Proportional to 12,814.52, 17,684.04 and 7,225.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,814.52 : 17,684.04 = 7,225.52 : x
2. Step 2: Convert to fraction form
   12,814.52/17,684.04 = 7,225.52/x
3. Step 3: Cross multiply
   12,814.52x = 17,684.04 × 7,225.52
4. Step 4: Simplify right side
   12,814.52x = 127,776,384.70
5. Step 5: Solve for x
   x = 127,776,384.70/12,814.52
6. Step 6: Final answer
   x = 9,971.22