Finding the Fourth Proportional to 3,775.91, 5,654.28 and 3,158.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,775.91 : 5,654.28 = 3,158.07 : x
2. Step 2: Convert to fraction form
   3,775.91/5,654.28 = 3,158.07/x
3. Step 3: Cross multiply
   3,775.91x = 5,654.28 × 3,158.07
4. Step 4: Simplify right side
   3,775.91x = 17,856,612.04
5. Step 5: Solve for x
   x = 17,856,612.04/3,775.91
6. Step 6: Final answer
   x = 4,729.09