Finding the Fourth Proportional to 3,453.89, 5,168.07 and 2,068.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,453.89 : 5,168.07 = 2,068.20 : x
2. Step 2: Convert to fraction form
   3,453.89/5,168.07 = 2,068.20/x
3. Step 3: Cross multiply
   3,453.89x = 5,168.07 × 2,068.20
4. Step 4: Simplify right side
   3,453.89x = 10,688,602.37
5. Step 5: Solve for x
   x = 10,688,602.37/3,453.89
6. Step 6: Final answer
   x = 3,094.66