Finding the Fourth Proportional to 2,799.87, 4,200.89 and 1,068.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.87 : 4,200.89 = 1,068.09 : x
2. Step 2: Convert to fraction form
   2,799.87/4,200.89 = 1,068.09/x
3. Step 3: Cross multiply
   2,799.87x = 4,200.89 × 1,068.09
4. Step 4: Simplify right side
   2,799.87x = 4,486,923.26
5. Step 5: Solve for x
   x = 4,486,923.26/2,799.87
6. Step 6: Final answer
   x = 1,602.55