Finding the Fourth Proportional to 81,018.27, 111,828.68 and 47,034.39

Step by Step Solution

1. Step 1: Write the proportion equation
   81,018.27 : 111,828.68 = 47,034.39 : x
2. Step 2: Convert to fraction form
   81,018.27/111,828.68 = 47,034.39/x
3. Step 3: Cross multiply
   81,018.27x = 111,828.68 × 47,034.39
4. Step 4: Simplify right side
   81,018.27x = 5,259,793,748.31
5. Step 5: Solve for x
   x = 5,259,793,748.31/81,018.27
6. Step 6: Final answer
   x = 64,921.08