Finding the Fourth Proportional to 13,443.00, 20,164.43 and 3,447.70

Step by Step Solution

1. Step 1: Write the proportion equation
   13,443.00 : 20,164.43 = 3,447.70 : x
2. Step 2: Convert to fraction form
   13,443.00/20,164.43 = 3,447.70/x
3. Step 3: Cross multiply
   13,443.00x = 20,164.43 × 3,447.70
4. Step 4: Simplify right side
   13,443.00x = 69,520,844.13
5. Step 5: Solve for x
   x = 69,520,844.13/13,443.00
6. Step 6: Final answer
   x = 5,171.53