Finding the Fourth Proportional to 81,086.72, 111,926.40 and 47,552

Step by Step Solution

1. Step 1: Write the proportion equation
   81,086.72 : 111,926.40 = 47,552 : x
2. Step 2: Convert to fraction form
   81,086.72/111,926.40 = 47,552/x
3. Step 3: Cross multiply
   81,086.72x = 111,926.40 × 47,552
4. Step 4: Simplify right side
   81,086.72x = 5,322,324,172.80
5. Step 5: Solve for x
   x = 5,322,324,172.80/81,086.72
6. Step 6: Final answer
   x = 65,637.43