Finding the Fourth Proportional to 12,553.90, 17,336.04 and 8,085.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,553.90 : 17,336.04 = 8,085.46 : x
2. Step 2: Convert to fraction form
   12,553.90/17,336.04 = 8,085.46/x
3. Step 3: Cross multiply
   12,553.90x = 17,336.04 × 8,085.46
4. Step 4: Simplify right side
   12,553.90x = 140,169,857.98
5. Step 5: Solve for x
   x = 140,169,857.98/12,553.90
6. Step 6: Final answer
   x = 11,165.44