Finding the Fourth Proportional to 10,288.16, 15,341.89 and 10,194.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288.16 : 15,341.89 = 10,194.60 : x
2. Step 2: Convert to fraction form
   10,288.16/15,341.89 = 10,194.60/x
3. Step 3: Cross multiply
   10,288.16x = 15,341.89 × 10,194.60
4. Step 4: Simplify right side
   10,288.16x = 156,404,431.79
5. Step 5: Solve for x
   x = 156,404,431.79/10,288.16
6. Step 6: Final answer
   x = 15,202.37