Finding the Fourth Proportional to 6,748.72, 9,309.33 and 4,058.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,748.72 : 9,309.33 = 4,058.06 : x
2. Step 2: Convert to fraction form
   6,748.72/9,309.33 = 4,058.06/x
3. Step 3: Cross multiply
   6,748.72x = 9,309.33 × 4,058.06
4. Step 4: Simplify right side
   6,748.72x = 37,777,799.41
5. Step 5: Solve for x
   x = 37,777,799.41/6,748.72
6. Step 6: Final answer
   x = 5,597.78