Finding the Fourth Proportional to 2,077.52, 2,867.70 and 1,379.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.52 : 2,867.70 = 1,379.12 : x
2. Step 2: Convert to fraction form
   2,077.52/2,867.70 = 1,379.12/x
3. Step 3: Cross multiply
   2,077.52x = 2,867.70 × 1,379.12
4. Step 4: Simplify right side
   2,077.52x = 3,954,902.42
5. Step 5: Solve for x
   x = 3,954,902.42/2,077.52
6. Step 6: Final answer
   x = 1,903.67