Finding the Fourth Proportional to 35,919.20, 49,568.58 and 20,003.61

Step by Step Solution

1. Step 1: Write the proportion equation
   35,919.20 : 49,568.58 = 20,003.61 : x
2. Step 2: Convert to fraction form
   35,919.20/49,568.58 = 20,003.61/x
3. Step 3: Cross multiply
   35,919.20x = 49,568.58 × 20,003.61
4. Step 4: Simplify right side
   35,919.20x = 991,550,505.89
5. Step 5: Solve for x
   x = 991,550,505.89/35,919.20
6. Step 6: Final answer
   x = 27,605.03