Finding the Fourth Proportional to 22,969.99, 31,701.39 and 12,898.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,969.99 : 31,701.39 = 12,898.86 : x
2. Step 2: Convert to fraction form
   22,969.99/31,701.39 = 12,898.86/x
3. Step 3: Cross multiply
   22,969.99x = 31,701.39 × 12,898.86
4. Step 4: Simplify right side
   22,969.99x = 408,911,791.42
5. Step 5: Solve for x
   x = 408,911,791.42/22,969.99
6. Step 6: Final answer
   x = 17,802.00