Finding the Fourth Proportional to 5,911.32, 8,158.62 and 3,553.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,911.32 : 8,158.62 = 3,553.56 : x
2. Step 2: Convert to fraction form
   5,911.32/8,158.62 = 3,553.56/x
3. Step 3: Cross multiply
   5,911.32x = 8,158.62 × 3,553.56
4. Step 4: Simplify right side
   5,911.32x = 28,992,145.69
5. Step 5: Solve for x
   x = 28,992,145.69/5,911.32
6. Step 6: Final answer
   x = 4,904.51