Finding the Fourth Proportional to 13,019.00, 19,485.90 and 7,081.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.00 : 19,485.90 = 7,081.07 : x
2. Step 2: Convert to fraction form
   13,019.00/19,485.90 = 7,081.07/x
3. Step 3: Cross multiply
   13,019.00x = 19,485.90 × 7,081.07
4. Step 4: Simplify right side
   13,019.00x = 137,981,063.96
5. Step 5: Solve for x
   x = 137,981,063.96/13,019.00
6. Step 6: Final answer
   x = 10,598.44