Finding the Fourth Proportional to 80,785.50, 111,492.63 and 47,279.58

Step by Step Solution

1. Step 1: Write the proportion equation
   80,785.50 : 111,492.63 = 47,279.58 : x
2. Step 2: Convert to fraction form
   80,785.50/111,492.63 = 47,279.58/x
3. Step 3: Cross multiply
   80,785.50x = 111,492.63 × 47,279.58
4. Step 4: Simplify right side
   80,785.50x = 5,271,324,719.50
5. Step 5: Solve for x
   x = 5,271,324,719.50/80,785.50
6. Step 6: Final answer
   x = 65,250.88