Finding the Fourth Proportional to 2,796.57, 4,190.58 and 1,406.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.57 : 4,190.58 = 1,406.03 : x
2. Step 2: Convert to fraction form
   2,796.57/4,190.58 = 1,406.03/x
3. Step 3: Cross multiply
   2,796.57x = 4,190.58 × 1,406.03
4. Step 4: Simplify right side
   2,796.57x = 5,892,060.24
5. Step 5: Solve for x
   x = 5,892,060.24/2,796.57
6. Step 6: Final answer
   x = 2,106.89