Finding the Fourth Proportional to 1,842.80, 2,544.42 and 1,253.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.80 : 2,544.42 = 1,253.12 : x
2. Step 2: Convert to fraction form
   1,842.80/2,544.42 = 1,253.12/x
3. Step 3: Cross multiply
   1,842.80x = 2,544.42 × 1,253.12
4. Step 4: Simplify right side
   1,842.80x = 3,188,463.59
5. Step 5: Solve for x
   x = 3,188,463.59/1,842.80
6. Step 6: Final answer
   x = 1,730.23