Finding the Fourth Proportional to 10,987.52, 16,483.40 and 3,589.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.52 : 16,483.40 = 3,589.98 : x
2. Step 2: Convert to fraction form
   10,987.52/16,483.40 = 3,589.98/x
3. Step 3: Cross multiply
   10,987.52x = 16,483.40 × 3,589.98
4. Step 4: Simplify right side
   10,987.52x = 59,175,058.38
5. Step 5: Solve for x
   x = 59,175,058.38/10,987.52
6. Step 6: Final answer
   x = 5,385.66