Finding the Fourth Proportional to 1,587.69, 2,377.43 and 883.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,587.69 : 2,377.43 = 883.29 : x
2. Step 2: Convert to fraction form
   1,587.69/2,377.43 = 883.29/x
3. Step 3: Cross multiply
   1,587.69x = 2,377.43 × 883.29
4. Step 4: Simplify right side
   1,587.69x = 2,099,960.14
5. Step 5: Solve for x
   x = 2,099,960.14/1,587.69
6. Step 6: Final answer
   x = 1,322.65