Finding the Fourth Proportional to 9,537.18, 13,156.63 and 8,276.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,537.18 : 13,156.63 = 8,276.47 : x
2. Step 2: Convert to fraction form
   9,537.18/13,156.63 = 8,276.47/x
3. Step 3: Cross multiply
   9,537.18x = 13,156.63 × 8,276.47
4. Step 4: Simplify right side
   9,537.18x = 108,890,453.50
5. Step 5: Solve for x
   x = 108,890,453.50/9,537.18
6. Step 6: Final answer
   x = 11,417.47