Finding the Fourth Proportional to 2,507.56, 3,459.71 and 1,562.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.56 : 3,459.71 = 1,562.90 : x
2. Step 2: Convert to fraction form
   2,507.56/3,459.71 = 1,562.90/x
3. Step 3: Cross multiply
   2,507.56x = 3,459.71 × 1,562.90
4. Step 4: Simplify right side
   2,507.56x = 5,407,167.37
5. Step 5: Solve for x
   x = 5,407,167.37/2,507.56
6. Step 6: Final answer
   x = 2,156.35