Finding the Fourth Proportional to 13,328.59, 19,992.27 and 4,443.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,328.59 : 19,992.27 = 4,443.29 : x
2. Step 2: Convert to fraction form
   13,328.59/19,992.27 = 4,443.29/x
3. Step 3: Cross multiply
   13,328.59x = 19,992.27 × 4,443.29
4. Step 4: Simplify right side
   13,328.59x = 88,831,453.37
5. Step 5: Solve for x
   x = 88,831,453.37/13,328.59
6. Step 6: Final answer
   x = 6,664.73