Finding the Fourth Proportional to 25,009.82, 34,513.05 and 13,679.27

Step by Step Solution

1. Step 1: Write the proportion equation
   25,009.82 : 34,513.05 = 13,679.27 : x
2. Step 2: Convert to fraction form
   25,009.82/34,513.05 = 13,679.27/x
3. Step 3: Cross multiply
   25,009.82x = 34,513.05 × 13,679.27
4. Step 4: Simplify right side
   25,009.82x = 472,113,329.47
5. Step 5: Solve for x
   x = 472,113,329.47/25,009.82
6. Step 6: Final answer
   x = 18,877.12