Finding the Fourth Proportional to 1,886.82, 2,603.58 and 1,090.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.82 : 2,603.58 = 1,090.02 : x
2. Step 2: Convert to fraction form
   1,886.82/2,603.58 = 1,090.02/x
3. Step 3: Cross multiply
   1,886.82x = 2,603.58 × 1,090.02
4. Step 4: Simplify right side
   1,886.82x = 2,837,954.27
5. Step 5: Solve for x
   x = 2,837,954.27/1,886.82
6. Step 6: Final answer
   x = 1,504.09