Finding the Fourth Proportional to 1,420.08, 1,961.46 and 1,026.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420.08 : 1,961.46 = 1,026.48 : x
2. Step 2: Convert to fraction form
   1,420.08/1,961.46 = 1,026.48/x
3. Step 3: Cross multiply
   1,420.08x = 1,961.46 × 1,026.48
4. Step 4: Simplify right side
   1,420.08x = 2,013,399.46
5. Step 5: Solve for x
   x = 2,013,399.46/1,420.08
6. Step 6: Final answer
   x = 1,417.81