Finding the Fourth Proportional to 9,731.30, 13,426.76 and 5,481.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,731.30 : 13,426.76 = 5,481.50 : x
2. Step 2: Convert to fraction form
   9,731.30/13,426.76 = 5,481.50/x
3. Step 3: Cross multiply
   9,731.30x = 13,426.76 × 5,481.50
4. Step 4: Simplify right side
   9,731.30x = 73,598,757.53
5. Step 5: Solve for x
   x = 73,598,757.53/9,731.30
6. Step 6: Final answer
   x = 7,563.10