Finding the Fourth Proportional to 81,106.52, 111,916.44 and 52,850.48

Step by Step Solution

1. Step 1: Write the proportion equation
   81,106.52 : 111,916.44 = 52,850.48 : x
2. Step 2: Convert to fraction form
   81,106.52/111,916.44 = 52,850.48/x
3. Step 3: Cross multiply
   81,106.52x = 111,916.44 × 52,850.48
4. Step 4: Simplify right side
   81,106.52x = 5,914,837,573.89
5. Step 5: Solve for x
   x = 5,914,837,573.89/81,106.52
6. Step 6: Final answer
   x = 72,926.78