Finding the Fourth Proportional to 5,168.07, 7,128.03 and 3,577.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.07 : 7,128.03 = 3,577.38 : x
2. Step 2: Convert to fraction form
   5,168.07/7,128.03 = 3,577.38/x
3. Step 3: Cross multiply
   5,168.07x = 7,128.03 × 3,577.38
4. Step 4: Simplify right side
   5,168.07x = 25,499,671.96
5. Step 5: Solve for x
   x = 25,499,671.96/5,168.07
6. Step 6: Final answer
   x = 4,934.08