Finding the Fourth Proportional to 2,387.75, 3,581.73 and 1,156.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.75 : 3,581.73 = 1,156.19 : x
2. Step 2: Convert to fraction form
   2,387.75/3,581.73 = 1,156.19/x
3. Step 3: Cross multiply
   2,387.75x = 3,581.73 × 1,156.19
4. Step 4: Simplify right side
   2,387.75x = 4,141,142.50
5. Step 5: Solve for x
   x = 4,141,142.50/2,387.75
6. Step 6: Final answer
   x = 1,734.33