Finding the Fourth Proportional to 123,850.86, 170,928.78 and 73,549.86

Step by Step Solution

1. Step 1: Write the proportion equation
   123,850.86 : 170,928.78 = 73,549.86 : x
2. Step 2: Convert to fraction form
   123,850.86/170,928.78 = 73,549.86/x
3. Step 3: Cross multiply
   123,850.86x = 170,928.78 × 73,549.86
4. Step 4: Simplify right side
   123,850.86x = 12,571,787,838.97
5. Step 5: Solve for x
   x = 12,571,787,838.97/123,850.86
6. Step 6: Final answer
   x = 101,507.47