Finding the Fourth Proportional to 2,361.12, 3,525.60 and 2,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.12 : 3,525.60 = 2,112.72 : x
2. Step 2: Convert to fraction form
   2,361.12/3,525.60 = 2,112.72/x
3. Step 3: Cross multiply
   2,361.12x = 3,525.60 × 2,112.72
4. Step 4: Simplify right side
   2,361.12x = 7,448,605.63
5. Step 5: Solve for x
   x = 7,448,605.63/2,361.12
6. Step 6: Final answer
   x = 3,154.69