Finding the Fourth Proportional to 2,507.67, 3,459.43 and 1,623.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.67 : 3,459.43 = 1,623.76 : x
2. Step 2: Convert to fraction form
   2,507.67/3,459.43 = 1,623.76/x
3. Step 3: Cross multiply
   2,507.67x = 3,459.43 × 1,623.76
4. Step 4: Simplify right side
   2,507.67x = 5,617,271.35
5. Step 5: Solve for x
   x = 5,617,271.35/2,507.67
6. Step 6: Final answer
   x = 2,240.04