Finding the Fourth Proportional to 7,015.33, 10,521.18 and 2,083.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,015.33 : 10,521.18 = 2,083.81 : x
2. Step 2: Convert to fraction form
   7,015.33/10,521.18 = 2,083.81/x
3. Step 3: Cross multiply
   7,015.33x = 10,521.18 × 2,083.81
4. Step 4: Simplify right side
   7,015.33x = 21,924,140.10
5. Step 5: Solve for x
   x = 21,924,140.10/7,015.33
6. Step 6: Final answer
   x = 3,125.18