Finding the Fourth Proportional to 3,715.05, 5,564.48 and 3,165.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715.05 : 5,564.48 = 3,165.87 : x
2. Step 2: Convert to fraction form
   3,715.05/5,564.48 = 3,165.87/x
3. Step 3: Cross multiply
   3,715.05x = 5,564.48 × 3,165.87
4. Step 4: Simplify right side
   3,715.05x = 17,616,404.47
5. Step 5: Solve for x
   x = 17,616,404.47/3,715.05
6. Step 6: Final answer
   x = 4,741.90