Finding the Fourth Proportional to 47,279.27, 65,240.72 and 28,155.24

Step by Step Solution

1. Step 1: Write the proportion equation
   47,279.27 : 65,240.72 = 28,155.24 : x
2. Step 2: Convert to fraction form
   47,279.27/65,240.72 = 28,155.24/x
3. Step 3: Cross multiply
   47,279.27x = 65,240.72 × 28,155.24
4. Step 4: Simplify right side
   47,279.27x = 1,836,868,129.37
5. Step 5: Solve for x
   x = 1,836,868,129.37/47,279.27
6. Step 6: Final answer
   x = 38,851.45