Finding the Fourth Proportional to 10,748.62, 16,119.87 and 4,173.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,748.62 : 16,119.87 = 4,173.40 : x
2. Step 2: Convert to fraction form
   10,748.62/16,119.87 = 4,173.40/x
3. Step 3: Cross multiply
   10,748.62x = 16,119.87 × 4,173.40
4. Step 4: Simplify right side
   10,748.62x = 67,274,665.46
5. Step 5: Solve for x
   x = 67,274,665.46/10,748.62
6. Step 6: Final answer
   x = 6,258.91