Finding the Fourth Proportional to 5,401.93, 8,099.65 and 2,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.93 : 8,099.65 = 2,111.10 : x
2. Step 2: Convert to fraction form
   5,401.93/8,099.65 = 2,111.10/x
3. Step 3: Cross multiply
   5,401.93x = 8,099.65 × 2,111.10
4. Step 4: Simplify right side
   5,401.93x = 17,099,160.56
5. Step 5: Solve for x
   x = 17,099,160.56/5,401.93
6. Step 6: Final answer
   x = 3,165.38