Finding the Fourth Proportional to 89,708.33, 134,390.16 and 50,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,708.33 : 134,390.16 = 50,145.50 : x
2. Step 2: Convert to fraction form
   89,708.33/134,390.16 = 50,145.50/x
3. Step 3: Cross multiply
   89,708.33x = 134,390.16 × 50,145.50
4. Step 4: Simplify right side
   89,708.33x = 6,739,061,768.28
5. Step 5: Solve for x
   x = 6,739,061,768.28/89,708.33
6. Step 6: Final answer
   x = 75,121.92