Finding the Fourth Proportional to 2,281.69, 3,150.65 and 1,538.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.69 : 3,150.65 = 1,538.11 : x
2. Step 2: Convert to fraction form
   2,281.69/3,150.65 = 1,538.11/x
3. Step 3: Cross multiply
   2,281.69x = 3,150.65 × 1,538.11
4. Step 4: Simplify right side
   2,281.69x = 4,846,030.70
5. Step 5: Solve for x
   x = 4,846,030.70/2,281.69
6. Step 6: Final answer
   x = 2,123.88