Finding the Fourth Proportional to 22,972.45, 31,701.86 and 12,901.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,972.45 : 31,701.86 = 12,901.31 : x
2. Step 2: Convert to fraction form
   22,972.45/31,701.86 = 12,901.31/x
3. Step 3: Cross multiply
   22,972.45x = 31,701.86 × 12,901.31
4. Step 4: Simplify right side
   22,972.45x = 408,995,570.44
5. Step 5: Solve for x
   x = 408,995,570.44/22,972.45
6. Step 6: Final answer
   x = 17,803.74