Finding the Fourth Proportional to 2,379.40, 3,566.34 and 1,406.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.40 : 3,566.34 = 1,406.32 : x
2. Step 2: Convert to fraction form
   2,379.40/3,566.34 = 1,406.32/x
3. Step 3: Cross multiply
   2,379.40x = 3,566.34 × 1,406.32
4. Step 4: Simplify right side
   2,379.40x = 5,015,415.27
5. Step 5: Solve for x
   x = 5,015,415.27/2,379.40
6. Step 6: Final answer
   x = 2,107.85