Finding the Fourth Proportional to 1,418.68, 1,971.27 and 1,403.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.68 : 1,971.27 = 1,403.46 : x
2. Step 2: Convert to fraction form
   1,418.68/1,971.27 = 1,403.46/x
3. Step 3: Cross multiply
   1,418.68x = 1,971.27 × 1,403.46
4. Step 4: Simplify right side
   1,418.68x = 2,766,598.59
5. Step 5: Solve for x
   x = 2,766,598.59/1,418.68
6. Step 6: Final answer
   x = 1,950.12