Finding the Fourth Proportional to 10,538.69, 15,808.94 and 2,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,538.69 : 15,808.94 = 2,747.50 : x
2. Step 2: Convert to fraction form
   10,538.69/15,808.94 = 2,747.50/x
3. Step 3: Cross multiply
   10,538.69x = 15,808.94 × 2,747.50
4. Step 4: Simplify right side
   10,538.69x = 43,435,062.65
5. Step 5: Solve for x
   x = 43,435,062.65/10,538.69
6. Step 6: Final answer
   x = 4,121.49