Finding the Fourth Proportional to 9,058.32, 12,488.79 and 5,865.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058.32 : 12,488.79 = 5,865.96 : x
2. Step 2: Convert to fraction form
   9,058.32/12,488.79 = 5,865.96/x
3. Step 3: Cross multiply
   9,058.32x = 12,488.79 × 5,865.96
4. Step 4: Simplify right side
   9,058.32x = 73,258,742.59
5. Step 5: Solve for x
   x = 73,258,742.59/9,058.32
6. Step 6: Final answer
   x = 8,087.45