Finding the Fourth Proportional to 7,308.57, 10,085.82 and 4,164.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,308.57 : 10,085.82 = 4,164.75 : x
2. Step 2: Convert to fraction form
   7,308.57/10,085.82 = 4,164.75/x
3. Step 3: Cross multiply
   7,308.57x = 10,085.82 × 4,164.75
4. Step 4: Simplify right side
   7,308.57x = 42,004,918.85
5. Step 5: Solve for x
   x = 42,004,918.85/7,308.57
6. Step 6: Final answer
   x = 5,747.35