Finding the Fourth Proportional to 25,142.39, 34,696.83 and 13,812.89

Step by Step Solution

1. Step 1: Write the proportion equation
   25,142.39 : 34,696.83 = 13,812.89 : x
2. Step 2: Convert to fraction form
   25,142.39/34,696.83 = 13,812.89/x
3. Step 3: Cross multiply
   25,142.39x = 34,696.83 × 13,812.89
4. Step 4: Simplify right side
   25,142.39x = 479,263,322.65
5. Step 5: Solve for x
   x = 479,263,322.65/25,142.39
6. Step 6: Final answer
   x = 19,061.97