Finding the Fourth Proportional to 11,150.01, 16,721.82 and 4,486.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,150.01 : 16,721.82 = 4,486.50 : x
2. Step 2: Convert to fraction form
   11,150.01/16,721.82 = 4,486.50/x
3. Step 3: Cross multiply
   11,150.01x = 16,721.82 × 4,486.50
4. Step 4: Simplify right side
   11,150.01x = 75,022,445.43
5. Step 5: Solve for x
   x = 75,022,445.43/11,150.01
6. Step 6: Final answer
   x = 6,728.46