Finding the Fourth Proportional to 10,174.77, 15,260.59 and 2,779.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,174.77 : 15,260.59 = 2,779.83 : x
2. Step 2: Convert to fraction form
   10,174.77/15,260.59 = 2,779.83/x
3. Step 3: Cross multiply
   10,174.77x = 15,260.59 × 2,779.83
4. Step 4: Simplify right side
   10,174.77x = 42,421,845.90
5. Step 5: Solve for x
   x = 42,421,845.90/10,174.77
6. Step 6: Final answer
   x = 4,169.32