Finding the Fourth Proportional to 7,020.15, 10,530.12 and 2,089.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,020.15 : 10,530.12 = 2,089.82 : x
2. Step 2: Convert to fraction form
   7,020.15/10,530.12 = 2,089.82/x
3. Step 3: Cross multiply
   7,020.15x = 10,530.12 × 2,089.82
4. Step 4: Simplify right side
   7,020.15x = 22,006,055.38
5. Step 5: Solve for x
   x = 22,006,055.38/7,020.15
6. Step 6: Final answer
   x = 3,134.70