Finding the Fourth Proportional to 7,086.45, 10,615.83 and 5,434.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.45 : 10,615.83 = 5,434.94 : x
2. Step 2: Convert to fraction form
   7,086.45/10,615.83 = 5,434.94/x
3. Step 3: Cross multiply
   7,086.45x = 10,615.83 × 5,434.94
4. Step 4: Simplify right side
   7,086.45x = 57,696,346.02
5. Step 5: Solve for x
   x = 57,696,346.02/7,086.45
6. Step 6: Final answer
   x = 8,141.78