Finding the Fourth Proportional to 2,112.85, 2,914.53 and 1,483.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.85 : 2,914.53 = 1,483.12 : x
2. Step 2: Convert to fraction form
   2,112.85/2,914.53 = 1,483.12/x
3. Step 3: Cross multiply
   2,112.85x = 2,914.53 × 1,483.12
4. Step 4: Simplify right side
   2,112.85x = 4,322,597.73
5. Step 5: Solve for x
   x = 4,322,597.73/2,112.85
6. Step 6: Final answer
   x = 2,045.86