Finding the Fourth Proportional to 8,743.89, 12,058.70 and 5,599.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,743.89 : 12,058.70 = 5,599.47 : x
2. Step 2: Convert to fraction form
   8,743.89/12,058.70 = 5,599.47/x
3. Step 3: Cross multiply
   8,743.89x = 12,058.70 × 5,599.47
4. Step 4: Simplify right side
   8,743.89x = 67,522,300.89
5. Step 5: Solve for x
   x = 67,522,300.89/8,743.89
6. Step 6: Final answer
   x = 7,722.23