Finding the Fourth Proportional to 3,895.56, 5,374.86 and 2,404.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895.56 : 5,374.86 = 2,404.20 : x
2. Step 2: Convert to fraction form
   3,895.56/5,374.86 = 2,404.20/x
3. Step 3: Cross multiply
   3,895.56x = 5,374.86 × 2,404.20
4. Step 4: Simplify right side
   3,895.56x = 12,922,238.41
5. Step 5: Solve for x
   x = 12,922,238.41/3,895.56
6. Step 6: Final answer
   x = 3,317.17