Finding the Fourth Proportional to 7,308.90, 10,086.18 and 4,165.14

Step by Step Solution

1. Step 1: Write the proportion equation
   7,308.90 : 10,086.18 = 4,165.14 : x
2. Step 2: Convert to fraction form
   7,308.90/10,086.18 = 4,165.14/x
3. Step 3: Cross multiply
   7,308.90x = 10,086.18 × 4,165.14
4. Step 4: Simplify right side
   7,308.90x = 42,010,351.77
5. Step 5: Solve for x
   x = 42,010,351.77/7,308.90
6. Step 6: Final answer
   x = 5,747.84