Finding the Fourth Proportional to 2,063.06, 3,091.89 and 1,788.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.06 : 3,091.89 = 1,788.02 : x
2. Step 2: Convert to fraction form
   2,063.06/3,091.89 = 1,788.02/x
3. Step 3: Cross multiply
   2,063.06x = 3,091.89 × 1,788.02
4. Step 4: Simplify right side
   2,063.06x = 5,528,361.16
5. Step 5: Solve for x
   x = 5,528,361.16/2,063.06
6. Step 6: Final answer
   x = 2,679.69