Finding the Fourth Proportional to 25,411.32, 38,106.18 and 10,408.10

Step by Step Solution

1. Step 1: Write the proportion equation
   25,411.32 : 38,106.18 = 10,408.10 : x
2. Step 2: Convert to fraction form
   25,411.32/38,106.18 = 10,408.10/x
3. Step 3: Cross multiply
   25,411.32x = 38,106.18 × 10,408.10
4. Step 4: Simplify right side
   25,411.32x = 396,612,741.53
5. Step 5: Solve for x
   x = 396,612,741.53/25,411.32
6. Step 6: Final answer
   x = 15,607.72