Finding the Fourth Proportional to 10,068.50, 15,054.69 and 9,186.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,068.50 : 15,054.69 = 9,186.23 : x
2. Step 2: Convert to fraction form
   10,068.50/15,054.69 = 9,186.23/x
3. Step 3: Cross multiply
   10,068.50x = 15,054.69 × 9,186.23
4. Step 4: Simplify right side
   10,068.50x = 138,295,844.92
5. Step 5: Solve for x
   x = 138,295,844.92/10,068.50
6. Step 6: Final answer
   x = 13,735.50