Finding the Fourth Proportional to 81,010.72, 111,795.78 and 47,027.08

Step by Step Solution

1. Step 1: Write the proportion equation
   81,010.72 : 111,795.78 = 47,027.08 : x
2. Step 2: Convert to fraction form
   81,010.72/111,795.78 = 47,027.08/x
3. Step 3: Cross multiply
   81,010.72x = 111,795.78 × 47,027.08
4. Step 4: Simplify right side
   81,010.72x = 5,257,429,089.72
5. Step 5: Solve for x
   x = 5,257,429,089.72/81,010.72
6. Step 6: Final answer
   x = 64,897.94