Finding the Fourth Proportional to 22,002.42, 30,365.06 and 18,580.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.42 : 30,365.06 = 18,580.57 : x
2. Step 2: Convert to fraction form
   22,002.42/30,365.06 = 18,580.57/x
3. Step 3: Cross multiply
   22,002.42x = 30,365.06 × 18,580.57
4. Step 4: Simplify right side
   22,002.42x = 564,200,122.88
5. Step 5: Solve for x
   x = 564,200,122.88/22,002.42
6. Step 6: Final answer
   x = 25,642.65