Finding the Fourth Proportional to 10,174.91, 15,262.22 and 2,779.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,174.91 : 15,262.22 = 2,779.36 : x
2. Step 2: Convert to fraction form
   10,174.91/15,262.22 = 2,779.36/x
3. Step 3: Cross multiply
   10,174.91x = 15,262.22 × 2,779.36
4. Step 4: Simplify right side
   10,174.91x = 42,419,113.57
5. Step 5: Solve for x
   x = 42,419,113.57/10,174.91
6. Step 6: Final answer
   x = 4,168.99