Finding the Fourth Proportional to 2,507.91, 3,460.78 and 1,563.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.91 : 3,460.78 = 1,563.86 : x
2. Step 2: Convert to fraction form
   2,507.91/3,460.78 = 1,563.86/x
3. Step 3: Cross multiply
   2,507.91x = 3,460.78 × 1,563.86
4. Step 4: Simplify right side
   2,507.91x = 5,412,175.41
5. Step 5: Solve for x
   x = 5,412,175.41/2,507.91
6. Step 6: Final answer
   x = 2,158.04