Finding the Fourth Proportional to 1,887.42, 2,604.03 and 1,090.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.42 : 2,604.03 = 1,090.65 : x
2. Step 2: Convert to fraction form
   1,887.42/2,604.03 = 1,090.65/x
3. Step 3: Cross multiply
   1,887.42x = 2,604.03 × 1,090.65
4. Step 4: Simplify right side
   1,887.42x = 2,840,085.32
5. Step 5: Solve for x
   x = 2,840,085.32/1,887.42
6. Step 6: Final answer
   x = 1,504.74