Finding the Fourth Proportional to 43,658.22, 65,120.06 and 42,346.38

Step by Step Solution

1. Step 1: Write the proportion equation
   43,658.22 : 65,120.06 = 42,346.38 : x
2. Step 2: Convert to fraction form
   43,658.22/65,120.06 = 42,346.38/x
3. Step 3: Cross multiply
   43,658.22x = 65,120.06 × 42,346.38
4. Step 4: Simplify right side
   43,658.22x = 2,757,598,806.38
5. Step 5: Solve for x
   x = 2,757,598,806.38/43,658.22
6. Step 6: Final answer
   x = 63,163.34