Finding the Fourth Proportional to 7,401.96, 11,097.90 and 2,781

Step by Step Solution

1. Step 1: Write the proportion equation
   7,401.96 : 11,097.90 = 2,781 : x
2. Step 2: Convert to fraction form
   7,401.96/11,097.90 = 2,781/x
3. Step 3: Cross multiply
   7,401.96x = 11,097.90 × 2,781
4. Step 4: Simplify right side
   7,401.96x = 30,863,259.90
5. Step 5: Solve for x
   x = 30,863,259.90/7,401.96
6. Step 6: Final answer
   x = 4,169.61