Finding the Fourth Proportional to 25,061.94, 37,519.34 and 13,187.61

Step by Step Solution

1. Step 1: Write the proportion equation
   25,061.94 : 37,519.34 = 13,187.61 : x
2. Step 2: Convert to fraction form
   25,061.94/37,519.34 = 13,187.61/x
3. Step 3: Cross multiply
   25,061.94x = 37,519.34 × 13,187.61
4. Step 4: Simplify right side
   25,061.94x = 494,790,357.44
5. Step 5: Solve for x
   x = 494,790,357.44/25,061.94
6. Step 6: Final answer
   x = 19,742.70