Finding the Fourth Proportional to 2,430.42, 3,353.76 and 1,382.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.42 : 3,353.76 = 1,382.28 : x
2. Step 2: Convert to fraction form
   2,430.42/3,353.76 = 1,382.28/x
3. Step 3: Cross multiply
   2,430.42x = 3,353.76 × 1,382.28
4. Step 4: Simplify right side
   2,430.42x = 4,635,835.37
5. Step 5: Solve for x
   x = 4,635,835.37/2,430.42
6. Step 6: Final answer
   x = 1,907.42