Finding the Fourth Proportional to 3,686.04, 5,085.72 and 2,114.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.04 : 5,085.72 = 2,114.64 : x
2. Step 2: Convert to fraction form
   3,686.04/5,085.72 = 2,114.64/x
3. Step 3: Cross multiply
   3,686.04x = 5,085.72 × 2,114.64
4. Step 4: Simplify right side
   3,686.04x = 10,754,466.94
5. Step 5: Solve for x
   x = 10,754,466.94/3,686.04
6. Step 6: Final answer
   x = 2,917.62