Finding the Fourth Proportional to 2,507.76, 3,459.72 and 1,563

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.76 : 3,459.72 = 1,563 : x
2. Step 2: Convert to fraction form
   2,507.76/3,459.72 = 1,563/x
3. Step 3: Cross multiply
   2,507.76x = 3,459.72 × 1,563
4. Step 4: Simplify right side
   2,507.76x = 5,407,542.36
5. Step 5: Solve for x
   x = 5,407,542.36/2,507.76
6. Step 6: Final answer
   x = 2,156.32