Finding the Fourth Proportional to 12,745.83, 17,590.34 and 7,442.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,745.83 : 17,590.34 = 7,442.34 : x
2. Step 2: Convert to fraction form
   12,745.83/17,590.34 = 7,442.34/x
3. Step 3: Cross multiply
   12,745.83x = 17,590.34 × 7,442.34
4. Step 4: Simplify right side
   12,745.83x = 130,913,253.78
5. Step 5: Solve for x
   x = 130,913,253.78/12,745.83
6. Step 6: Final answer
   x = 10,271.07