Finding the Fourth Proportional to 1,581.72, 2,369.34 and 888.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.72 : 2,369.34 = 888.36 : x
2. Step 2: Convert to fraction form
   1,581.72/2,369.34 = 888.36/x
3. Step 3: Cross multiply
   1,581.72x = 2,369.34 × 888.36
4. Step 4: Simplify right side
   1,581.72x = 2,104,826.88
5. Step 5: Solve for x
   x = 2,104,826.88/1,581.72
6. Step 6: Final answer
   x = 1,330.72