Finding the Fourth Proportional to 2,624.81, 3,932.17 and 2,536.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.81 : 3,932.17 = 2,536.88 : x
2. Step 2: Convert to fraction form
   2,624.81/3,932.17 = 2,536.88/x
3. Step 3: Cross multiply
   2,624.81x = 3,932.17 × 2,536.88
4. Step 4: Simplify right side
   2,624.81x = 9,975,417.43
5. Step 5: Solve for x
   x = 9,975,417.43/2,624.81
6. Step 6: Final answer
   x = 3,800.44