Finding the Fourth Proportional to 10,987.25, 16,483.37 and 3,591.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.25 : 16,483.37 = 3,591.68 : x
2. Step 2: Convert to fraction form
   10,987.25/16,483.37 = 3,591.68/x
3. Step 3: Cross multiply
   10,987.25x = 16,483.37 × 3,591.68
4. Step 4: Simplify right side
   10,987.25x = 59,202,889.99
5. Step 5: Solve for x
   x = 59,202,889.99/10,987.25
6. Step 6: Final answer
   x = 5,388.33