Finding the Fourth Proportional to 89,896.23, 134,868.24 and 30,731.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,896.23 : 134,868.24 = 30,731.81 : x
2. Step 2: Convert to fraction form
   89,896.23/134,868.24 = 30,731.81/x
3. Step 3: Cross multiply
   89,896.23x = 134,868.24 × 30,731.81
4. Step 4: Simplify right side
   89,896.23x = 4,144,744,452.37
5. Step 5: Solve for x
   x = 4,144,744,452.37/89,896.23
6. Step 6: Final answer
   x = 46,105.88