Finding the Fourth Proportional to 15,730.38, 23,590.56 and 5,198.43

Step by Step Solution

1. Step 1: Write the proportion equation
   15,730.38 : 23,590.56 = 5,198.43 : x
2. Step 2: Convert to fraction form
   15,730.38/23,590.56 = 5,198.43/x
3. Step 3: Cross multiply
   15,730.38x = 23,590.56 × 5,198.43
4. Step 4: Simplify right side
   15,730.38x = 122,633,874.82
5. Step 5: Solve for x
   x = 122,633,874.82/15,730.38
6. Step 6: Final answer
   x = 7,795.99