Finding the Fourth Proportional to 2,091.60, 2,886.71 and 1,419.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.60 : 2,886.71 = 1,419.44 : x
2. Step 2: Convert to fraction form
   2,091.60/2,886.71 = 1,419.44/x
3. Step 3: Cross multiply
   2,091.60x = 2,886.71 × 1,419.44
4. Step 4: Simplify right side
   2,091.60x = 4,097,490.11
5. Step 5: Solve for x
   x = 4,097,490.11/2,091.60
6. Step 6: Final answer
   x = 1,959.02