Finding the Fourth Proportional to 2,876.86, 3,970.10 and 1,682.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.86 : 3,970.10 = 1,682.59 : x
2. Step 2: Convert to fraction form
   2,876.86/3,970.10 = 1,682.59/x
3. Step 3: Cross multiply
   2,876.86x = 3,970.10 × 1,682.59
4. Step 4: Simplify right side
   2,876.86x = 6,680,042.15
5. Step 5: Solve for x
   x = 6,680,042.15/2,876.86
6. Step 6: Final answer
   x = 2,321.99