Finding the Fourth Proportional to 89,991.16, 134,990.37 and 30,832.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,991.16 : 134,990.37 = 30,832.81 : x
2. Step 2: Convert to fraction form
   89,991.16/134,990.37 = 30,832.81/x
3. Step 3: Cross multiply
   89,991.16x = 134,990.37 × 30,832.81
4. Step 4: Simplify right side
   89,991.16x = 4,162,132,430.04
5. Step 5: Solve for x
   x = 4,162,132,430.04/89,991.16
6. Step 6: Final answer
   x = 46,250.46