Finding the Fourth Proportional to 25,230.29, 34,818.59 and 13,900.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,230.29 : 34,818.59 = 13,900.55 : x
2. Step 2: Convert to fraction form
   25,230.29/34,818.59 = 13,900.55/x
3. Step 3: Cross multiply
   25,230.29x = 34,818.59 × 13,900.55
4. Step 4: Simplify right side
   25,230.29x = 483,997,411.88
5. Step 5: Solve for x
   x = 483,997,411.88/25,230.29
6. Step 6: Final answer
   x = 19,183.19