Finding the Fourth Proportional to 35,185.76, 48,550.56 and 20,078.45

Step by Step Solution

1. Step 1: Write the proportion equation
   35,185.76 : 48,550.56 = 20,078.45 : x
2. Step 2: Convert to fraction form
   35,185.76/48,550.56 = 20,078.45/x
3. Step 3: Cross multiply
   35,185.76x = 48,550.56 × 20,078.45
4. Step 4: Simplify right side
   35,185.76x = 974,819,991.43
5. Step 5: Solve for x
   x = 974,819,991.43/35,185.76
6. Step 6: Final answer
   x = 27,704.96