Finding the Fourth Proportional to 2,483.32, 3,426.73 and 1,420.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.32 : 3,426.73 = 1,420.87 : x
2. Step 2: Convert to fraction form
   2,483.32/3,426.73 = 1,420.87/x
3. Step 3: Cross multiply
   2,483.32x = 3,426.73 × 1,420.87
4. Step 4: Simplify right side
   2,483.32x = 4,868,937.86
5. Step 5: Solve for x
   x = 4,868,937.86/2,483.32
6. Step 6: Final answer
   x = 1,960.66