Finding the Fourth Proportional to 13,967.99, 19,279.46 and 9,250.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,967.99 : 19,279.46 = 9,250.55 : x
2. Step 2: Convert to fraction form
   13,967.99/19,279.46 = 9,250.55/x
3. Step 3: Cross multiply
   13,967.99x = 19,279.46 × 9,250.55
4. Step 4: Simplify right side
   13,967.99x = 178,345,562.45
5. Step 5: Solve for x
   x = 178,345,562.45/13,967.99
6. Step 6: Final answer
   x = 12,768.16