Finding the Fourth Proportional to 9,058.34, 12,488.81 and 5,865.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058.34 : 12,488.81 = 5,865.95 : x
2. Step 2: Convert to fraction form
   9,058.34/12,488.81 = 5,865.95/x
3. Step 3: Cross multiply
   9,058.34x = 12,488.81 × 5,865.95
4. Step 4: Simplify right side
   9,058.34x = 73,258,643.25
5. Step 5: Solve for x
   x = 73,258,643.25/9,058.34
6. Step 6: Final answer
   x = 8,087.43