Finding the Fourth Proportional to 3,783.32, 5,220.72 and 2,104.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783.32 : 5,220.72 = 2,104.59 : x
2. Step 2: Convert to fraction form
   3,783.32/5,220.72 = 2,104.59/x
3. Step 3: Cross multiply
   3,783.32x = 5,220.72 × 2,104.59
4. Step 4: Simplify right side
   3,783.32x = 10,987,475.10
5. Step 5: Solve for x
   x = 10,987,475.10/3,783.32
6. Step 6: Final answer
   x = 2,904.19