Finding the Fourth Proportional to 25,048, 34,568.76 and 13,870

Step by Step Solution

1. Step 1: Write the proportion equation
   25,048 : 34,568.76 = 13,870 : x
2. Step 2: Convert to fraction form
   25,048/34,568.76 = 13,870/x
3. Step 3: Cross multiply
   25,048x = 34,568.76 × 13,870
4. Step 4: Simplify right side
   25,048x = 479,468,701.20
5. Step 5: Solve for x
   x = 479,468,701.20/25,048
6. Step 6: Final answer
   x = 19,142.00