Finding the Fourth Proportional to 2,527.05, 3,788.58 and 1,228.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,527.05 : 3,788.58 = 1,228.17 : x
2. Step 2: Convert to fraction form
   2,527.05/3,788.58 = 1,228.17/x
3. Step 3: Cross multiply
   2,527.05x = 3,788.58 × 1,228.17
4. Step 4: Simplify right side
   2,527.05x = 4,653,020.30
5. Step 5: Solve for x
   x = 4,653,020.30/2,527.05
6. Step 6: Final answer
   x = 1,841.29