Finding the Fourth Proportional to 2,380.52, 3,285.15 and 1,371.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.52 : 3,285.15 = 1,371.67 : x
2. Step 2: Convert to fraction form
   2,380.52/3,285.15 = 1,371.67/x
3. Step 3: Cross multiply
   2,380.52x = 3,285.15 × 1,371.67
4. Step 4: Simplify right side
   2,380.52x = 4,506,145.13
5. Step 5: Solve for x
   x = 4,506,145.13/2,380.52
6. Step 6: Final answer
   x = 1,892.92