Finding the Fourth Proportional to 2,085.05, 3,126.41 and 1,427.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.05 : 3,126.41 = 1,427.67 : x
2. Step 2: Convert to fraction form
   2,085.05/3,126.41 = 1,427.67/x
3. Step 3: Cross multiply
   2,085.05x = 3,126.41 × 1,427.67
4. Step 4: Simplify right side
   2,085.05x = 4,463,481.76
5. Step 5: Solve for x
   x = 4,463,481.76/2,085.05
6. Step 6: Final answer
   x = 2,140.71