Finding the Fourth Proportional to 46,605.89, 64,320.59 and 28,711.37

Step by Step Solution

1. Step 1: Write the proportion equation
   46,605.89 : 64,320.59 = 28,711.37 : x
2. Step 2: Convert to fraction form
   46,605.89/64,320.59 = 28,711.37/x
3. Step 3: Cross multiply
   46,605.89x = 64,320.59 × 28,711.37
4. Step 4: Simplify right side
   46,605.89x = 1,846,732,008.28
5. Step 5: Solve for x
   x = 1,846,732,008.28/46,605.89
6. Step 6: Final answer
   x = 39,624.44