Finding the Fourth Proportional to 2,079.40, 3,112.30 and 1,887.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.40 : 3,112.30 = 1,887.52 : x
2. Step 2: Convert to fraction form
   2,079.40/3,112.30 = 1,887.52/x
3. Step 3: Cross multiply
   2,079.40x = 3,112.30 × 1,887.52
4. Step 4: Simplify right side
   2,079.40x = 5,874,528.50
5. Step 5: Solve for x
   x = 5,874,528.50/2,079.40
6. Step 6: Final answer
   x = 2,825.11