Finding the Fourth Proportional to 35,016.88, 48,329.56 and 20,870.62

Step by Step Solution

1. Step 1: Write the proportion equation
   35,016.88 : 48,329.56 = 20,870.62 : x
2. Step 2: Convert to fraction form
   35,016.88/48,329.56 = 20,870.62/x
3. Step 3: Cross multiply
   35,016.88x = 48,329.56 × 20,870.62
4. Step 4: Simplify right side
   35,016.88x = 1,008,667,881.53
5. Step 5: Solve for x
   x = 1,008,667,881.53/35,016.88
6. Step 6: Final answer
   x = 28,805.19