Finding the Fourth Proportional to 13,805.34, 20,701.59 and 4,443.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,805.34 : 20,701.59 = 4,443.60 : x
2. Step 2: Convert to fraction form
   13,805.34/20,701.59 = 4,443.60/x
3. Step 3: Cross multiply
   13,805.34x = 20,701.59 × 4,443.60
4. Step 4: Simplify right side
   13,805.34x = 91,989,585.32
5. Step 5: Solve for x
   x = 91,989,585.32/13,805.34
6. Step 6: Final answer
   x = 6,663.33