Finding the Fourth Proportional to 22,969.52, 31,698.27 and 12,900.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,969.52 : 31,698.27 = 12,900.14 : x
2. Step 2: Convert to fraction form
   22,969.52/31,698.27 = 12,900.14/x
3. Step 3: Cross multiply
   22,969.52x = 31,698.27 × 12,900.14
4. Step 4: Simplify right side
   22,969.52x = 408,912,120.76
5. Step 5: Solve for x
   x = 408,912,120.76/22,969.52
6. Step 6: Final answer
   x = 17,802.38