Finding the Fourth Proportional to 10,189.94, 15,271.61 and 3,943.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,189.94 : 15,271.61 = 3,943.76 : x
2. Step 2: Convert to fraction form
   10,189.94/15,271.61 = 3,943.76/x
3. Step 3: Cross multiply
   10,189.94x = 15,271.61 × 3,943.76
4. Step 4: Simplify right side
   10,189.94x = 60,227,468.58
5. Step 5: Solve for x
   x = 60,227,468.58/10,189.94
6. Step 6: Final answer
   x = 5,910.49