Finding the Fourth Proportional to 2,485.17, 3,429.59 and 1,366.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.17 : 3,429.59 = 1,366.23 : x
2. Step 2: Convert to fraction form
   2,485.17/3,429.59 = 1,366.23/x
3. Step 3: Cross multiply
   2,485.17x = 3,429.59 × 1,366.23
4. Step 4: Simplify right side
   2,485.17x = 4,685,601.91
5. Step 5: Solve for x
   x = 4,685,601.91/2,485.17
6. Step 6: Final answer
   x = 1,885.43