Finding the Fourth Proportional to 2,068.02, 2,852.51 and 1,228.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.02 : 2,852.51 = 1,228.09 : x
2. Step 2: Convert to fraction form
   2,068.02/2,852.51 = 1,228.09/x
3. Step 3: Cross multiply
   2,068.02x = 2,852.51 × 1,228.09
4. Step 4: Simplify right side
   2,068.02x = 3,503,139.01
5. Step 5: Solve for x
   x = 3,503,139.01/2,068.02
6. Step 6: Final answer
   x = 1,693.96