Finding the Fourth Proportional to 10,189.27, 15,276.66 and 3,944.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,189.27 : 15,276.66 = 3,944.01 : x
2. Step 2: Convert to fraction form
   10,189.27/15,276.66 = 3,944.01/x
3. Step 3: Cross multiply
   10,189.27x = 15,276.66 × 3,944.01
4. Step 4: Simplify right side
   10,189.27x = 60,251,299.81
5. Step 5: Solve for x
   x = 60,251,299.81/10,189.27
6. Step 6: Final answer
   x = 5,913.21