Finding the Fourth Proportional to 3,200.29, 4,799.39 and 1,225.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,200.29 : 4,799.39 = 1,225.81 : x
2. Step 2: Convert to fraction form
   3,200.29/4,799.39 = 1,225.81/x
3. Step 3: Cross multiply
   3,200.29x = 4,799.39 × 1,225.81
4. Step 4: Simplify right side
   3,200.29x = 5,883,153.76
5. Step 5: Solve for x
   x = 5,883,153.76/3,200.29
6. Step 6: Final answer
   x = 1,838.32