Finding the Fourth Proportional to 11,079.42, 16,608.61 and 4,420.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079.42 : 16,608.61 = 4,420.01 : x
2. Step 2: Convert to fraction form
   11,079.42/16,608.61 = 4,420.01/x
3. Step 3: Cross multiply
   11,079.42x = 16,608.61 × 4,420.01
4. Step 4: Simplify right side
   11,079.42x = 73,410,222.29
5. Step 5: Solve for x
   x = 73,410,222.29/11,079.42
6. Step 6: Final answer
   x = 6,625.82