Finding the Fourth Proportional to 2,623.45, 3,931.59 and 1,451.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.45 : 3,931.59 = 1,451.72 : x
2. Step 2: Convert to fraction form
   2,623.45/3,931.59 = 1,451.72/x
3. Step 3: Cross multiply
   2,623.45x = 3,931.59 × 1,451.72
4. Step 4: Simplify right side
   2,623.45x = 5,707,567.83
5. Step 5: Solve for x
   x = 5,707,567.83/2,623.45
6. Step 6: Final answer
   x = 2,175.60