Finding the Fourth Proportional to 9,591.37, 13,238.54 and 8,594.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,591.37 : 13,238.54 = 8,594.91 : x
2. Step 2: Convert to fraction form
   9,591.37/13,238.54 = 8,594.91/x
3. Step 3: Cross multiply
   9,591.37x = 13,238.54 × 8,594.91
4. Step 4: Simplify right side
   9,591.37x = 113,784,059.83
5. Step 5: Solve for x
   x = 113,784,059.83/9,591.37
6. Step 6: Final answer
   x = 11,863.17