Finding the Fourth Proportional to 3,608.24, 4,978.53 and 2,116.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.24 : 4,978.53 = 2,116.08 : x
2. Step 2: Convert to fraction form
   3,608.24/4,978.53 = 2,116.08/x
3. Step 3: Cross multiply
   3,608.24x = 4,978.53 × 2,116.08
4. Step 4: Simplify right side
   3,608.24x = 10,534,967.76
5. Step 5: Solve for x
   x = 10,534,967.76/3,608.24
6. Step 6: Final answer
   x = 2,919.70