Finding the Fourth Proportional to 25,142.58, 34,696.98 and 13,812.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,142.58 : 34,696.98 = 13,812.30 : x
2. Step 2: Convert to fraction form
   25,142.58/34,696.98 = 13,812.30/x
3. Step 3: Cross multiply
   25,142.58x = 34,696.98 × 13,812.30
4. Step 4: Simplify right side
   25,142.58x = 479,245,096.85
5. Step 5: Solve for x
   x = 479,245,096.85/25,142.58
6. Step 6: Final answer
   x = 19,061.09