Finding the Fourth Proportional to 22,574.25, 31,152.69 and 13,620.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,574.25 : 31,152.69 = 13,620.02 : x
2. Step 2: Convert to fraction form
   22,574.25/31,152.69 = 13,620.02/x
3. Step 3: Cross multiply
   22,574.25x = 31,152.69 × 13,620.02
4. Step 4: Simplify right side
   22,574.25x = 424,300,204.89
5. Step 5: Solve for x
   x = 424,300,204.89/22,574.25
6. Step 6: Final answer
   x = 18,795.76