Finding the Fourth Proportional to 22,971.98, 31,702.91 and 12,764.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,971.98 : 31,702.91 = 12,764.25 : x
2. Step 2: Convert to fraction form
   22,971.98/31,702.91 = 12,764.25/x
3. Step 3: Cross multiply
   22,971.98x = 31,702.91 × 12,764.25
4. Step 4: Simplify right side
   22,971.98x = 404,663,710.45
5. Step 5: Solve for x
   x = 404,663,710.45/22,971.98
6. Step 6: Final answer
   x = 17,615.53