Finding the Fourth Proportional to 2,623.47, 3,931.56 and 1,453.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.47 : 3,931.56 = 1,453.83 : x
2. Step 2: Convert to fraction form
   2,623.47/3,931.56 = 1,453.83/x
3. Step 3: Cross multiply
   2,623.47x = 3,931.56 × 1,453.83
4. Step 4: Simplify right side
   2,623.47x = 5,715,819.87
5. Step 5: Solve for x
   x = 5,715,819.87/2,623.47
6. Step 6: Final answer
   x = 2,178.73