Finding the Fourth Proportional to 1,406.17, 2,118.79 and 1,168.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.17 : 2,118.79 = 1,168.03 : x
2. Step 2: Convert to fraction form
   1,406.17/2,118.79 = 1,168.03/x
3. Step 3: Cross multiply
   1,406.17x = 2,118.79 × 1,168.03
4. Step 4: Simplify right side
   1,406.17x = 2,474,805.90
5. Step 5: Solve for x
   x = 2,474,805.90/1,406.17
6. Step 6: Final answer
   x = 1,759.96