Finding the Fourth Proportional to 10,987.76, 16,483.72 and 4,414.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.76 : 16,483.72 = 4,414.46 : x
2. Step 2: Convert to fraction form
   10,987.76/16,483.72 = 4,414.46/x
3. Step 3: Cross multiply
   10,987.76x = 16,483.72 × 4,414.46
4. Step 4: Simplify right side
   10,987.76x = 72,766,722.59
5. Step 5: Solve for x
   x = 72,766,722.59/10,987.76
6. Step 6: Final answer
   x = 6,622.53