Finding the Fourth Proportional to 1,676.32, 2,514.52 and 987.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.32 : 2,514.52 = 987.82 : x
2. Step 2: Convert to fraction form
   1,676.32/2,514.52 = 987.82/x
3. Step 3: Cross multiply
   1,676.32x = 2,514.52 × 987.82
4. Step 4: Simplify right side
   1,676.32x = 2,483,893.15
5. Step 5: Solve for x
   x = 2,483,893.15/1,676.32
6. Step 6: Final answer
   x = 1,481.75