Finding the Fourth Proportional to 7,013.33, 10,518.18 and 2,081.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,013.33 : 10,518.18 = 2,081.81 : x
2. Step 2: Convert to fraction form
   7,013.33/10,518.18 = 2,081.81/x
3. Step 3: Cross multiply
   7,013.33x = 10,518.18 × 2,081.81
4. Step 4: Simplify right side
   7,013.33x = 21,896,852.31
5. Step 5: Solve for x
   x = 21,896,852.31/7,013.33
6. Step 6: Final answer
   x = 3,122.18