Finding the Fourth Proportional to 3,133.47, 4,322.72 and 1,806.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,133.47 : 4,322.72 = 1,806.69 : x
2. Step 2: Convert to fraction form
   3,133.47/4,322.72 = 1,806.69/x
3. Step 3: Cross multiply
   3,133.47x = 4,322.72 × 1,806.69
4. Step 4: Simplify right side
   3,133.47x = 7,809,819.51
5. Step 5: Solve for x
   x = 7,809,819.51/3,133.47
6. Step 6: Final answer
   x = 2,492.39