Finding the Fourth Proportional to 2,421.37, 3,340.52 and 1,756.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.37 : 3,340.52 = 1,756.76 : x
2. Step 2: Convert to fraction form
   2,421.37/3,340.52 = 1,756.76/x
3. Step 3: Cross multiply
   2,421.37x = 3,340.52 × 1,756.76
4. Step 4: Simplify right side
   2,421.37x = 5,868,491.92
5. Step 5: Solve for x
   x = 5,868,491.92/2,421.37
6. Step 6: Final answer
   x = 2,423.62