Finding the Fourth Proportional to 2,077.86, 2,867.82 and 1,238.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.86 : 2,867.82 = 1,238.62 : x
2. Step 2: Convert to fraction form
   2,077.86/2,867.82 = 1,238.62/x
3. Step 3: Cross multiply
   2,077.86x = 2,867.82 × 1,238.62
4. Step 4: Simplify right side
   2,077.86x = 3,552,147.44
5. Step 5: Solve for x
   x = 3,552,147.44/2,077.86
6. Step 6: Final answer
   x = 1,709.52