Finding the Fourth Proportional to 11,559.25, 17,339.78 and 4,164.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,559.25 : 17,339.78 = 4,164.45 : x
2. Step 2: Convert to fraction form
   11,559.25/17,339.78 = 4,164.45/x
3. Step 3: Cross multiply
   11,559.25x = 17,339.78 × 4,164.45
4. Step 4: Simplify right side
   11,559.25x = 72,210,646.82
5. Step 5: Solve for x
   x = 72,210,646.82/11,559.25
6. Step 6: Final answer
   x = 6,247.00