Finding the Fourth Proportional to 12,942.60, 19,414.32 and 3,581.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942.60 : 19,414.32 = 3,581.83 : x
2. Step 2: Convert to fraction form
   12,942.60/19,414.32 = 3,581.83/x
3. Step 3: Cross multiply
   12,942.60x = 19,414.32 × 3,581.83
4. Step 4: Simplify right side
   12,942.60x = 69,538,793.81
5. Step 5: Solve for x
   x = 69,538,793.81/12,942.60
6. Step 6: Final answer
   x = 5,372.86