Finding the Fourth Proportional to 2,353.06, 3,530.22 and 1,379.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.06 : 3,530.22 = 1,379.80 : x
2. Step 2: Convert to fraction form
   2,353.06/3,530.22 = 1,379.80/x
3. Step 3: Cross multiply
   2,353.06x = 3,530.22 × 1,379.80
4. Step 4: Simplify right side
   2,353.06x = 4,870,997.56
5. Step 5: Solve for x
   x = 4,870,997.56/2,353.06
6. Step 6: Final answer
   x = 2,070.07