Finding the Fourth Proportional to 3,610.29, 4,978.65 and 2,194.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.29 : 4,978.65 = 2,194.20 : x
2. Step 2: Convert to fraction form
   3,610.29/4,978.65 = 2,194.20/x
3. Step 3: Cross multiply
   3,610.29x = 4,978.65 × 2,194.20
4. Step 4: Simplify right side
   3,610.29x = 10,924,153.83
5. Step 5: Solve for x
   x = 10,924,153.83/3,610.29
6. Step 6: Final answer
   x = 3,025.84