Finding the Fourth Proportional to 35,875.59, 49,507.55 and 20,768.89

Step by Step Solution

1. Step 1: Write the proportion equation
   35,875.59 : 49,507.55 = 20,768.89 : x
2. Step 2: Convert to fraction form
   35,875.59/49,507.55 = 20,768.89/x
3. Step 3: Cross multiply
   35,875.59x = 49,507.55 × 20,768.89
4. Step 4: Simplify right side
   35,875.59x = 1,028,216,860.12
5. Step 5: Solve for x
   x = 1,028,216,860.12/35,875.59
6. Step 6: Final answer
   x = 28,660.63