Finding the Fourth Proportional to 8,739.69, 12,058.43 and 5,597.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,739.69 : 12,058.43 = 5,597.70 : x
2. Step 2: Convert to fraction form
   8,739.69/12,058.43 = 5,597.70/x
3. Step 3: Cross multiply
   8,739.69x = 12,058.43 × 5,597.70
4. Step 4: Simplify right side
   8,739.69x = 67,499,473.61
5. Step 5: Solve for x
   x = 67,499,473.61/8,739.69
6. Step 6: Final answer
   x = 7,723.33