Finding the Fourth Proportional to 4,086.28, 6,130.32 and 1,164.61

Step by Step Solution

1. Step 1: Write the proportion equation
   4,086.28 : 6,130.32 = 1,164.61 : x
2. Step 2: Convert to fraction form
   4,086.28/6,130.32 = 1,164.61/x
3. Step 3: Cross multiply
   4,086.28x = 6,130.32 × 1,164.61
4. Step 4: Simplify right side
   4,086.28x = 7,139,401.32
5. Step 5: Solve for x
   x = 7,139,401.32/4,086.28
6. Step 6: Final answer
   x = 1,747.17