Finding the Fourth Proportional to 2,842.77, 4,261.71 and 1,379.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,842.77 : 4,261.71 = 1,379.91 : x
2. Step 2: Convert to fraction form
   2,842.77/4,261.71 = 1,379.91/x
3. Step 3: Cross multiply
   2,842.77x = 4,261.71 × 1,379.91
4. Step 4: Simplify right side
   2,842.77x = 5,880,776.25
5. Step 5: Solve for x
   x = 5,880,776.25/2,842.77
6. Step 6: Final answer
   x = 2,068.68