Finding the Fourth Proportional to 2,097.83, 3,147.81 and 1,485.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.83 : 3,147.81 = 1,485.47 : x
2. Step 2: Convert to fraction form
   2,097.83/3,147.81 = 1,485.47/x
3. Step 3: Cross multiply
   2,097.83x = 3,147.81 × 1,485.47
4. Step 4: Simplify right side
   2,097.83x = 4,675,969.89
5. Step 5: Solve for x
   x = 4,675,969.89/2,097.83
6. Step 6: Final answer
   x = 2,228.96