Finding the Fourth Proportional to 20,049.72, 30,076.35 and 5,258.58

Step by Step Solution

1. Step 1: Write the proportion equation
   20,049.72 : 30,076.35 = 5,258.58 : x
2. Step 2: Convert to fraction form
   20,049.72/30,076.35 = 5,258.58/x
3. Step 3: Cross multiply
   20,049.72x = 30,076.35 × 5,258.58
4. Step 4: Simplify right side
   20,049.72x = 158,158,892.58
5. Step 5: Solve for x
   x = 158,158,892.58/20,049.72
6. Step 6: Final answer
   x = 7,888.33