Finding the Fourth Proportional to 38,825.12, 58,196.14 and 20,086.30

Step by Step Solution

1. Step 1: Write the proportion equation
   38,825.12 : 58,196.14 = 20,086.30 : x
2. Step 2: Convert to fraction form
   38,825.12/58,196.14 = 20,086.30/x
3. Step 3: Cross multiply
   38,825.12x = 58,196.14 × 20,086.30
4. Step 4: Simplify right side
   38,825.12x = 1,168,945,126.88
5. Step 5: Solve for x
   x = 1,168,945,126.88/38,825.12
6. Step 6: Final answer
   x = 30,107.96