Finding the Fourth Proportional to 72,499.80, 108,694.96 and 47,546.14

Step by Step Solution

1. Step 1: Write the proportion equation
   72,499.80 : 108,694.96 = 47,546.14 : x
2. Step 2: Convert to fraction form
   72,499.80/108,694.96 = 47,546.14/x
3. Step 3: Cross multiply
   72,499.80x = 108,694.96 × 47,546.14
4. Step 4: Simplify right side
   72,499.80x = 5,168,025,785.45
5. Step 5: Solve for x
   x = 5,168,025,785.45/72,499.80
6. Step 6: Final answer
   x = 71,283.31