Finding the Fourth Proportional to 1,968.07, 2,714.32 and 1,436.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.07 : 2,714.32 = 1,436.35 : x
2. Step 2: Convert to fraction form
   1,968.07/2,714.32 = 1,436.35/x
3. Step 3: Cross multiply
   1,968.07x = 2,714.32 × 1,436.35
4. Step 4: Simplify right side
   1,968.07x = 3,898,716.73
5. Step 5: Solve for x
   x = 3,898,716.73/1,968.07
6. Step 6: Final answer
   x = 1,980.99