Finding the Fourth Proportional to 47,665.98, 65,780.81 and 28,799.46

Step by Step Solution

1. Step 1: Write the proportion equation
   47,665.98 : 65,780.81 = 28,799.46 : x
2. Step 2: Convert to fraction form
   47,665.98/65,780.81 = 28,799.46/x
3. Step 3: Cross multiply
   47,665.98x = 65,780.81 × 28,799.46
4. Step 4: Simplify right side
   47,665.98x = 1,894,451,806.36
5. Step 5: Solve for x
   x = 1,894,451,806.36/47,665.98
6. Step 6: Final answer
   x = 39,744.32