Finding the Fourth Proportional to 2,387.07, 3,581.82 and 1,088.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.07 : 3,581.82 = 1,088.37 : x
2. Step 2: Convert to fraction form
   2,387.07/3,581.82 = 1,088.37/x
3. Step 3: Cross multiply
   2,387.07x = 3,581.82 × 1,088.37
4. Step 4: Simplify right side
   2,387.07x = 3,898,345.43
5. Step 5: Solve for x
   x = 3,898,345.43/2,387.07
6. Step 6: Final answer
   x = 1,633.11