Finding the Fourth Proportional to 21,884.01, 30,200.04 and 12,452.57

Step by Step Solution

1. Step 1: Write the proportion equation
   21,884.01 : 30,200.04 = 12,452.57 : x
2. Step 2: Convert to fraction form
   21,884.01/30,200.04 = 12,452.57/x
3. Step 3: Cross multiply
   21,884.01x = 30,200.04 × 12,452.57
4. Step 4: Simplify right side
   21,884.01x = 376,068,074.35
5. Step 5: Solve for x
   x = 376,068,074.35/21,884.01
6. Step 6: Final answer
   x = 17,184.61