Finding the Fourth Proportional to 2,090.10, 2,884.33 and 1,158.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.10 : 2,884.33 = 1,158.60 : x
2. Step 2: Convert to fraction form
   2,090.10/2,884.33 = 1,158.60/x
3. Step 3: Cross multiply
   2,090.10x = 2,884.33 × 1,158.60
4. Step 4: Simplify right side
   2,090.10x = 3,341,784.74
5. Step 5: Solve for x
   x = 3,341,784.74/2,090.10
6. Step 6: Final answer
   x = 1,598.86