Finding the Fourth Proportional to 47,443.92, 65,461.82 and 28,329.89

Step by Step Solution

1. Step 1: Write the proportion equation
   47,443.92 : 65,461.82 = 28,329.89 : x
2. Step 2: Convert to fraction form
   47,443.92/65,461.82 = 28,329.89/x
3. Step 3: Cross multiply
   47,443.92x = 65,461.82 × 28,329.89
4. Step 4: Simplify right side
   47,443.92x = 1,854,525,690.84
5. Step 5: Solve for x
   x = 1,854,525,690.84/47,443.92
6. Step 6: Final answer
   x = 39,088.80