Finding the Fourth Proportional to 3,406.41, 5,102.06 and 2,105.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,406.41 : 5,102.06 = 2,105.01 : x
2. Step 2: Convert to fraction form
   3,406.41/5,102.06 = 2,105.01/x
3. Step 3: Cross multiply
   3,406.41x = 5,102.06 × 2,105.01
4. Step 4: Simplify right side
   3,406.41x = 10,739,876.80
5. Step 5: Solve for x
   x = 10,739,876.80/3,406.41
6. Step 6: Final answer
   x = 3,152.84