Finding the Fourth Proportional to 2,185.31, 3,014.18 and 2,112.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.31 : 3,014.18 = 2,112.99 : x
2. Step 2: Convert to fraction form
   2,185.31/3,014.18 = 2,112.99/x
3. Step 3: Cross multiply
   2,185.31x = 3,014.18 × 2,112.99
4. Step 4: Simplify right side
   2,185.31x = 6,368,932.20
5. Step 5: Solve for x
   x = 6,368,932.20/2,185.31
6. Step 6: Final answer
   x = 2,914.43