Finding the Fourth Proportional to 10,086.45, 13,912.83 and 6,505.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.45 : 13,912.83 = 6,505.98 : x
2. Step 2: Convert to fraction form
   10,086.45/13,912.83 = 6,505.98/x
3. Step 3: Cross multiply
   10,086.45x = 13,912.83 × 6,505.98
4. Step 4: Simplify right side
   10,086.45x = 90,516,541.55
5. Step 5: Solve for x
   x = 90,516,541.55/10,086.45
6. Step 6: Final answer
   x = 8,974.08