Finding the Fourth Proportional to 2,013.84, 3,025.56 and 1,284.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.84 : 3,025.56 = 1,284.84 : x
2. Step 2: Convert to fraction form
   2,013.84/3,025.56 = 1,284.84/x
3. Step 3: Cross multiply
   2,013.84x = 3,025.56 × 1,284.84
4. Step 4: Simplify right side
   2,013.84x = 3,887,360.51
5. Step 5: Solve for x
   x = 3,887,360.51/2,013.84
6. Step 6: Final answer
   x = 1,930.32