Finding the Fourth Proportional to 5,155.05, 7,116.89 and 3,564.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,155.05 : 7,116.89 = 3,564.03 : x
2. Step 2: Convert to fraction form
   5,155.05/7,116.89 = 3,564.03/x
3. Step 3: Cross multiply
   5,155.05x = 7,116.89 × 3,564.03
4. Step 4: Simplify right side
   5,155.05x = 25,364,791.65
5. Step 5: Solve for x
   x = 25,364,791.65/5,155.05
6. Step 6: Final answer
   x = 4,920.38