Finding the Fourth Proportional to 2,085.48, 3,126.16 and 1,197.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.48 : 3,126.16 = 1,197.18 : x
2. Step 2: Convert to fraction form
   2,085.48/3,126.16 = 1,197.18/x
3. Step 3: Cross multiply
   2,085.48x = 3,126.16 × 1,197.18
4. Step 4: Simplify right side
   2,085.48x = 3,742,577.73
5. Step 5: Solve for x
   x = 3,742,577.73/2,085.48
6. Step 6: Final answer
   x = 1,794.59