Finding the Fourth Proportional to 38,821.58, 53,568.42 and 22,685.01

Step by Step Solution

1. Step 1: Write the proportion equation
   38,821.58 : 53,568.42 = 22,685.01 : x
2. Step 2: Convert to fraction form
   38,821.58/53,568.42 = 22,685.01/x
3. Step 3: Cross multiply
   38,821.58x = 53,568.42 × 22,685.01
4. Step 4: Simplify right side
   38,821.58x = 1,215,200,143.38
5. Step 5: Solve for x
   x = 1,215,200,143.38/38,821.58
6. Step 6: Final answer
   x = 31,302.19