Finding the Fourth Proportional to 89,707.83, 134,389.41 and 50,145

Step by Step Solution

1. Step 1: Write the proportion equation
   89,707.83 : 134,389.41 = 50,145 : x
2. Step 2: Convert to fraction form
   89,707.83/134,389.41 = 50,145/x
3. Step 3: Cross multiply
   89,707.83x = 134,389.41 × 50,145
4. Step 4: Simplify right side
   89,707.83x = 6,738,956,964.45
5. Step 5: Solve for x
   x = 6,738,956,964.45/89,707.83
6. Step 6: Final answer
   x = 75,121.17