Finding the Fourth Proportional to 10,195.67, 15,290.72 and 2,798.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,195.67 : 15,290.72 = 2,798.37 : x
2. Step 2: Convert to fraction form
   10,195.67/15,290.72 = 2,798.37/x
3. Step 3: Cross multiply
   10,195.67x = 15,290.72 × 2,798.37
4. Step 4: Simplify right side
   10,195.67x = 42,789,092.13
5. Step 5: Solve for x
   x = 42,789,092.13/10,195.67
6. Step 6: Final answer
   x = 4,196.79