Finding the Fourth Proportional to 25,093.34, 37,636.55 and 13,869.42

Step by Step Solution

1. Step 1: Write the proportion equation
   25,093.34 : 37,636.55 = 13,869.42 : x
2. Step 2: Convert to fraction form
   25,093.34/37,636.55 = 13,869.42/x
3. Step 3: Cross multiply
   25,093.34x = 37,636.55 × 13,869.42
4. Step 4: Simplify right side
   25,093.34x = 521,997,049.95
5. Step 5: Solve for x
   x = 521,997,049.95/25,093.34
6. Step 6: Final answer
   x = 20,802.21