Finding the Fourth Proportional to 22,510.50, 31,064.49 and 12,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,510.50 : 31,064.49 = 12,574.50 : x
2. Step 2: Convert to fraction form
   22,510.50/31,064.49 = 12,574.50/x
3. Step 3: Cross multiply
   22,510.50x = 31,064.49 × 12,574.50
4. Step 4: Simplify right side
   22,510.50x = 390,620,429.51
5. Step 5: Solve for x
   x = 390,620,429.51/22,510.50
6. Step 6: Final answer
   x = 17,352.81