Finding the Fourth Proportional to 35,769.32, 49,355.89 and 20,659.58

Step by Step Solution

1. Step 1: Write the proportion equation
   35,769.32 : 49,355.89 = 20,659.58 : x
2. Step 2: Convert to fraction form
   35,769.32/49,355.89 = 20,659.58/x
3. Step 3: Cross multiply
   35,769.32x = 49,355.89 × 20,659.58
4. Step 4: Simplify right side
   35,769.32x = 1,019,671,659.50
5. Step 5: Solve for x
   x = 1,019,671,659.50/35,769.32
6. Step 6: Final answer
   x = 28,506.88