Finding the Fourth Proportional to 25,078, 34,607.82 and 13,900

Step by Step Solution

1. Step 1: Write the proportion equation
   25,078 : 34,607.82 = 13,900 : x
2. Step 2: Convert to fraction form
   25,078/34,607.82 = 13,900/x
3. Step 3: Cross multiply
   25,078x = 34,607.82 × 13,900
4. Step 4: Simplify right side
   25,078x = 481,048,698
5. Step 5: Solve for x
   x = 481,048,698/25,078
6. Step 6: Final answer
   x = 19,182.10