Finding the Fourth Proportional to 8,525.31, 11,768.56 and 5,732.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,525.31 : 11,768.56 = 5,732.43 : x
2. Step 2: Convert to fraction form
   8,525.31/11,768.56 = 5,732.43/x
3. Step 3: Cross multiply
   8,525.31x = 11,768.56 × 5,732.43
4. Step 4: Simplify right side
   8,525.31x = 67,462,446.40
5. Step 5: Solve for x
   x = 67,462,446.40/8,525.31
6. Step 6: Final answer
   x = 7,913.20