Finding the Fourth Proportional to 7,309.77, 10,087.71 and 4,165.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,309.77 : 10,087.71 = 4,165.75 : x
2. Step 2: Convert to fraction form
   7,309.77/10,087.71 = 4,165.75/x
3. Step 3: Cross multiply
   7,309.77x = 10,087.71 × 4,165.75
4. Step 4: Simplify right side
   7,309.77x = 42,022,857.10
5. Step 5: Solve for x
   x = 42,022,857.10/7,309.77
6. Step 6: Final answer
   x = 5,748.87