Finding the Fourth Proportional to 2,110.60, 3,150.86 and 1,799.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110.60 : 3,150.86 = 1,799.20 : x
2. Step 2: Convert to fraction form
   2,110.60/3,150.86 = 1,799.20/x
3. Step 3: Cross multiply
   2,110.60x = 3,150.86 × 1,799.20
4. Step 4: Simplify right side
   2,110.60x = 5,669,027.31
5. Step 5: Solve for x
   x = 5,669,027.31/2,110.60
6. Step 6: Final answer
   x = 2,685.98