Finding the Fourth Proportional to 2,391.42, 3,592.76 and 1,406.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.42 : 3,592.76 = 1,406.76 : x
2. Step 2: Convert to fraction form
   2,391.42/3,592.76 = 1,406.76/x
3. Step 3: Cross multiply
   2,391.42x = 3,592.76 × 1,406.76
4. Step 4: Simplify right side
   2,391.42x = 5,054,133.09
5. Step 5: Solve for x
   x = 5,054,133.09/2,391.42
6. Step 6: Final answer
   x = 2,113.45