Finding the Fourth Proportional to 3,606.78, 5,410.89 and 1,141.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.78 : 5,410.89 = 1,141.86 : x
2. Step 2: Convert to fraction form
   3,606.78/5,410.89 = 1,141.86/x
3. Step 3: Cross multiply
   3,606.78x = 5,410.89 × 1,141.86
4. Step 4: Simplify right side
   3,606.78x = 6,178,478.86
5. Step 5: Solve for x
   x = 6,178,478.86/3,606.78
6. Step 6: Final answer
   x = 1,713.02