Finding the Fourth Proportional to 2,090.79, 2,885.39 and 1,194.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.79 : 2,885.39 = 1,194.60 : x
2. Step 2: Convert to fraction form
   2,090.79/2,885.39 = 1,194.60/x
3. Step 3: Cross multiply
   2,090.79x = 2,885.39 × 1,194.60
4. Step 4: Simplify right side
   2,090.79x = 3,446,886.89
5. Step 5: Solve for x
   x = 3,446,886.89/2,090.79
6. Step 6: Final answer
   x = 1,648.61