Finding the Fourth Proportional to 2,507.28, 3,459.05 and 1,562.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.28 : 3,459.05 = 1,562.78 : x
2. Step 2: Convert to fraction form
   2,507.28/3,459.05 = 1,562.78/x
3. Step 3: Cross multiply
   2,507.28x = 3,459.05 × 1,562.78
4. Step 4: Simplify right side
   2,507.28x = 5,405,709.05
5. Step 5: Solve for x
   x = 5,405,709.05/2,507.28
6. Step 6: Final answer
   x = 2,156.01