Finding the Fourth Proportional to 25,099.18, 34,636.27 and 13,768.58

Step by Step Solution

1. Step 1: Write the proportion equation
   25,099.18 : 34,636.27 = 13,768.58 : x
2. Step 2: Convert to fraction form
   25,099.18/34,636.27 = 13,768.58/x
3. Step 3: Cross multiply
   25,099.18x = 34,636.27 × 13,768.58
4. Step 4: Simplify right side
   25,099.18x = 476,892,137.55
5. Step 5: Solve for x
   x = 476,892,137.55/25,099.18
6. Step 6: Final answer
   x = 19,000.31