Finding the Fourth Proportional to 9,563.94, 13,192.88 and 5,981.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,563.94 : 13,192.88 = 5,981.31 : x
2. Step 2: Convert to fraction form
   9,563.94/13,192.88 = 5,981.31/x
3. Step 3: Cross multiply
   9,563.94x = 13,192.88 × 5,981.31
4. Step 4: Simplify right side
   9,563.94x = 78,910,675.17
5. Step 5: Solve for x
   x = 78,910,675.17/9,563.94
6. Step 6: Final answer
   x = 8,250.85