Finding the Fourth Proportional to 25,191, 37,760.99 and 10,408.10

Step by Step Solution

1. Step 1: Write the proportion equation
   25,191 : 37,760.99 = 10,408.10 : x
2. Step 2: Convert to fraction form
   25,191/37,760.99 = 10,408.10/x
3. Step 3: Cross multiply
   25,191x = 37,760.99 × 10,408.10
4. Step 4: Simplify right side
   25,191x = 393,019,919.17
5. Step 5: Solve for x
   x = 393,019,919.17/25,191
6. Step 6: Final answer
   x = 15,601.60