Finding the Fourth Proportional to 25,645.82, 38,536.37 and 13,808.34

Step by Step Solution

1. Step 1: Write the proportion equation
   25,645.82 : 38,536.37 = 13,808.34 : x
2. Step 2: Convert to fraction form
   25,645.82/38,536.37 = 13,808.34/x
3. Step 3: Cross multiply
   25,645.82x = 38,536.37 × 13,808.34
4. Step 4: Simplify right side
   25,645.82x = 532,123,359.74
5. Step 5: Solve for x
   x = 532,123,359.74/25,645.82
6. Step 6: Final answer
   x = 20,748.94