Finding the Fourth Proportional to 3,674.42, 5,513.46 and 3,190.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674.42 : 5,513.46 = 3,190.88 : x
2. Step 2: Convert to fraction form
   3,674.42/5,513.46 = 3,190.88/x
3. Step 3: Cross multiply
   3,674.42x = 5,513.46 × 3,190.88
4. Step 4: Simplify right side
   3,674.42x = 17,592,789.24
5. Step 5: Solve for x
   x = 17,592,789.24/3,674.42
6. Step 6: Final answer
   x = 4,787.91