Finding the Fourth Proportional to 2,783.16, 3,839.76 and 1,604.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.16 : 3,839.76 = 1,604.52 : x
2. Step 2: Convert to fraction form
   2,783.16/3,839.76 = 1,604.52/x
3. Step 3: Cross multiply
   2,783.16x = 3,839.76 × 1,604.52
4. Step 4: Simplify right side
   2,783.16x = 6,160,971.72
5. Step 5: Solve for x
   x = 6,160,971.72/2,783.16
6. Step 6: Final answer
   x = 2,213.66