Finding the Fourth Proportional to 2,379.98, 3,570.77 and 2,149.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.98 : 3,570.77 = 2,149.94 : x
2. Step 2: Convert to fraction form
   2,379.98/3,570.77 = 2,149.94/x
3. Step 3: Cross multiply
   2,379.98x = 3,570.77 × 2,149.94
4. Step 4: Simplify right side
   2,379.98x = 7,676,928.77
5. Step 5: Solve for x
   x = 7,676,928.77/2,379.98
6. Step 6: Final answer
   x = 3,225.63