Finding the Fourth Proportional to 2,469.15, 3,406.16 and 1,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.15 : 3,406.16 = 1,672.50 : x
2. Step 2: Convert to fraction form
   2,469.15/3,406.16 = 1,672.50/x
3. Step 3: Cross multiply
   2,469.15x = 3,406.16 × 1,672.50
4. Step 4: Simplify right side
   2,469.15x = 5,696,794.24
5. Step 5: Solve for x
   x = 5,696,794.24/2,469.15
6. Step 6: Final answer
   x = 2,307.19