Finding the Fourth Proportional to 1,873.17, 2,804.29 and 1,090.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873.17 : 2,804.29 = 1,090.78 : x
2. Step 2: Convert to fraction form
   1,873.17/2,804.29 = 1,090.78/x
3. Step 3: Cross multiply
   1,873.17x = 2,804.29 × 1,090.78
4. Step 4: Simplify right side
   1,873.17x = 3,058,863.45
5. Step 5: Solve for x
   x = 3,058,863.45/1,873.17
6. Step 6: Final answer
   x = 1,632.99