Finding the Fourth Proportional to 13,443.42, 20,173.23 and 4,684.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,443.42 : 20,173.23 = 4,684.49 : x
2. Step 2: Convert to fraction form
   13,443.42/20,173.23 = 4,684.49/x
3. Step 3: Cross multiply
   13,443.42x = 20,173.23 × 4,684.49
4. Step 4: Simplify right side
   13,443.42x = 94,501,193.34
5. Step 5: Solve for x
   x = 94,501,193.34/13,443.42
6. Step 6: Final answer
   x = 7,029.55