Finding the Fourth Proportional to 3,815.88, 5,265.97 and 2,488.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,815.88 : 5,265.97 = 2,488.83 : x
2. Step 2: Convert to fraction form
   3,815.88/5,265.97 = 2,488.83/x
3. Step 3: Cross multiply
   3,815.88x = 5,265.97 × 2,488.83
4. Step 4: Simplify right side
   3,815.88x = 13,106,089.81
5. Step 5: Solve for x
   x = 13,106,089.81/3,815.88
6. Step 6: Final answer
   x = 3,434.61