Finding the Fourth Proportional to 12,020.00, 18,029.79 and 5,438.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,020.00 : 18,029.79 = 5,438.34 : x
2. Step 2: Convert to fraction form
   12,020.00/18,029.79 = 5,438.34/x
3. Step 3: Cross multiply
   12,020.00x = 18,029.79 × 5,438.34
4. Step 4: Simplify right side
   12,020.00x = 98,052,128.15
5. Step 5: Solve for x
   x = 98,052,128.15/12,020.00
6. Step 6: Final answer
   x = 8,157.42