Finding the Fourth Proportional to 123,843.86, 170,948.13 and 73,542.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,843.86 : 170,948.13 = 73,542.50 : x
2. Step 2: Convert to fraction form
   123,843.86/170,948.13 = 73,542.50/x
3. Step 3: Cross multiply
   123,843.86x = 170,948.13 × 73,542.50
4. Step 4: Simplify right side
   123,843.86x = 12,571,952,850.53
5. Step 5: Solve for x
   x = 12,571,952,850.53/123,843.86
6. Step 6: Final answer
   x = 101,514.54