Finding the Fourth Proportional to 2,485.61, 3,429.76 and 1,437.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.61 : 3,429.76 = 1,437.47 : x
2. Step 2: Convert to fraction form
   2,485.61/3,429.76 = 1,437.47/x
3. Step 3: Cross multiply
   2,485.61x = 3,429.76 × 1,437.47
4. Step 4: Simplify right side
   2,485.61x = 4,930,171.92
5. Step 5: Solve for x
   x = 4,930,171.92/2,485.61
6. Step 6: Final answer
   x = 1,983.49