Finding the Fourth Proportional to 81,074.52, 111,872.34 and 52,818.48

Step by Step Solution

1. Step 1: Write the proportion equation
   81,074.52 : 111,872.34 = 52,818.48 : x
2. Step 2: Convert to fraction form
   81,074.52/111,872.34 = 52,818.48/x
3. Step 3: Cross multiply
   81,074.52x = 111,872.34 × 52,818.48
4. Step 4: Simplify right side
   81,074.52x = 5,908,926,952.84
5. Step 5: Solve for x
   x = 5,908,926,952.84/81,074.52
6. Step 6: Final answer
   x = 72,882.66