Finding the Fourth Proportional to 3,200.86, 4,802.53 and 1,121.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,200.86 : 4,802.53 = 1,121.09 : x
2. Step 2: Convert to fraction form
   3,200.86/4,802.53 = 1,121.09/x
3. Step 3: Cross multiply
   3,200.86x = 4,802.53 × 1,121.09
4. Step 4: Simplify right side
   3,200.86x = 5,384,077.56
5. Step 5: Solve for x
   x = 5,384,077.56/3,200.86
6. Step 6: Final answer
   x = 1,682.07