Finding the Fourth Proportional to 2,623.23, 3,931.17 and 1,453.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.23 : 3,931.17 = 1,453.77 : x
2. Step 2: Convert to fraction form
   2,623.23/3,931.17 = 1,453.77/x
3. Step 3: Cross multiply
   2,623.23x = 3,931.17 × 1,453.77
4. Step 4: Simplify right side
   2,623.23x = 5,715,017.01
5. Step 5: Solve for x
   x = 5,715,017.01/2,623.23
6. Step 6: Final answer
   x = 2,178.62