Finding the Fourth Proportional to 2,304.34, 3,456.51 and 987.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.34 : 3,456.51 = 987.98 : x
2. Step 2: Convert to fraction form
   2,304.34/3,456.51 = 987.98/x
3. Step 3: Cross multiply
   2,304.34x = 3,456.51 × 987.98
4. Step 4: Simplify right side
   2,304.34x = 3,414,971.39
5. Step 5: Solve for x
   x = 3,414,971.39/2,304.34
6. Step 6: Final answer
   x = 1,481.98