Finding the Fourth Proportional to 8,349.32, 12,530.33 and 3,089.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,349.32 : 12,530.33 = 3,089.31 : x
2. Step 2: Convert to fraction form
   8,349.32/12,530.33 = 3,089.31/x
3. Step 3: Cross multiply
   8,349.32x = 12,530.33 × 3,089.31
4. Step 4: Simplify right side
   8,349.32x = 38,710,058.33
5. Step 5: Solve for x
   x = 38,710,058.33/8,349.32
6. Step 6: Final answer
   x = 4,636.31