Finding the Fourth Proportional to 1,634.48, 2,453.58 and 1,243.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.48 : 2,453.58 = 1,243.52 : x
2. Step 2: Convert to fraction form
   1,634.48/2,453.58 = 1,243.52/x
3. Step 3: Cross multiply
   1,634.48x = 2,453.58 × 1,243.52
4. Step 4: Simplify right side
   1,634.48x = 3,051,075.80
5. Step 5: Solve for x
   x = 3,051,075.80/1,634.48
6. Step 6: Final answer
   x = 1,866.70