Finding the Fourth Proportional to 2,854.58, 4,279.62 and 1,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,854.58 : 4,279.62 = 1,314.50 : x
2. Step 2: Convert to fraction form
   2,854.58/4,279.62 = 1,314.50/x
3. Step 3: Cross multiply
   2,854.58x = 4,279.62 × 1,314.50
4. Step 4: Simplify right side
   2,854.58x = 5,625,560.49
5. Step 5: Solve for x
   x = 5,625,560.49/2,854.58
6. Step 6: Final answer
   x = 1,970.71