Finding the Fourth Proportional to 47,521.98, 65,581.92 and 28,401.12

Step by Step Solution

1. Step 1: Write the proportion equation
   47,521.98 : 65,581.92 = 28,401.12 : x
2. Step 2: Convert to fraction form
   47,521.98/65,581.92 = 28,401.12/x
3. Step 3: Cross multiply
   47,521.98x = 65,581.92 × 28,401.12
4. Step 4: Simplify right side
   47,521.98x = 1,862,599,979.75
5. Step 5: Solve for x
   x = 1,862,599,979.75/47,521.98
6. Step 6: Final answer
   x = 39,194.49