Finding the Fourth Proportional to 22,702.82, 31,327.17 and 12,628.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,702.82 : 31,327.17 = 12,628.72 : x
2. Step 2: Convert to fraction form
   22,702.82/31,327.17 = 12,628.72/x
3. Step 3: Cross multiply
   22,702.82x = 31,327.17 × 12,628.72
4. Step 4: Simplify right side
   22,702.82x = 395,621,901.69
5. Step 5: Solve for x
   x = 395,621,901.69/22,702.82
6. Step 6: Final answer
   x = 17,426.11