Finding the Fourth Proportional to 22,396.86, 30,907.01 and 12,325.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,396.86 : 30,907.01 = 12,325.30 : x
2. Step 2: Convert to fraction form
   22,396.86/30,907.01 = 12,325.30/x
3. Step 3: Cross multiply
   22,396.86x = 30,907.01 × 12,325.30
4. Step 4: Simplify right side
   22,396.86x = 380,938,170.35
5. Step 5: Solve for x
   x = 380,938,170.35/22,396.86
6. Step 6: Final answer
   x = 17,008.55