Finding the Fourth Proportional to 1,349.83, 2,023.88 and 1,090.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.83 : 2,023.88 = 1,090.15 : x
2. Step 2: Convert to fraction form
   1,349.83/2,023.88 = 1,090.15/x
3. Step 3: Cross multiply
   1,349.83x = 2,023.88 × 1,090.15
4. Step 4: Simplify right side
   1,349.83x = 2,206,327.33
5. Step 5: Solve for x
   x = 2,206,327.33/1,349.83
6. Step 6: Final answer
   x = 1,634.52