Finding the Fourth Proportional to 8,959.32, 12,358.38 and 5,771.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,959.32 : 12,358.38 = 5,771.52 : x
2. Step 2: Convert to fraction form
   8,959.32/12,358.38 = 5,771.52/x
3. Step 3: Cross multiply
   8,959.32x = 12,358.38 × 5,771.52
4. Step 4: Simplify right side
   8,959.32x = 71,326,637.34
5. Step 5: Solve for x
   x = 71,326,637.34/8,959.32
6. Step 6: Final answer
   x = 7,961.17