Finding the Fourth Proportional to 2,563.76, 3,536.52 and 2,390.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.76 : 3,536.52 = 2,390.96 : x
2. Step 2: Convert to fraction form
   2,563.76/3,536.52 = 2,390.96/x
3. Step 3: Cross multiply
   2,563.76x = 3,536.52 × 2,390.96
4. Step 4: Simplify right side
   2,563.76x = 8,455,677.86
5. Step 5: Solve for x
   x = 8,455,677.86/2,563.76
6. Step 6: Final answer
   x = 3,298.15