Finding the Fourth Proportional to 7,682.31, 11,499.88 and 5,601.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,682.31 : 11,499.88 = 5,601.81 : x
2. Step 2: Convert to fraction form
   7,682.31/11,499.88 = 5,601.81/x
3. Step 3: Cross multiply
   7,682.31x = 11,499.88 × 5,601.81
4. Step 4: Simplify right side
   7,682.31x = 64,420,142.78
5. Step 5: Solve for x
   x = 64,420,142.78/7,682.31
6. Step 6: Final answer
   x = 8,385.52