Finding the Fourth Proportional to 47,377.89, 65,379.69 and 28,511.37

Step by Step Solution

1. Step 1: Write the proportion equation
   47,377.89 : 65,379.69 = 28,511.37 : x
2. Step 2: Convert to fraction form
   47,377.89/65,379.69 = 28,511.37/x
3. Step 3: Cross multiply
   47,377.89x = 65,379.69 × 28,511.37
4. Step 4: Simplify right side
   47,377.89x = 1,864,064,532.08
5. Step 5: Solve for x
   x = 1,864,064,532.08/47,377.89
6. Step 6: Final answer
   x = 39,344.61