Finding the Fourth Proportional to 2,077.56, 2,867.34 and 1,291.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.56 : 2,867.34 = 1,291.86 : x
2. Step 2: Convert to fraction form
   2,077.56/2,867.34 = 1,291.86/x
3. Step 3: Cross multiply
   2,077.56x = 2,867.34 × 1,291.86
4. Step 4: Simplify right side
   2,077.56x = 3,704,201.85
5. Step 5: Solve for x
   x = 3,704,201.85/2,077.56
6. Step 6: Final answer
   x = 1,782.96