Finding the Fourth Proportional to 89,629.89, 134,448.05 and 30,457.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,629.89 : 134,448.05 = 30,457.87 : x
2. Step 2: Convert to fraction form
   89,629.89/134,448.05 = 30,457.87/x
3. Step 3: Cross multiply
   89,629.89x = 134,448.05 × 30,457.87
4. Step 4: Simplify right side
   89,629.89x = 4,095,001,724.95
5. Step 5: Solve for x
   x = 4,095,001,724.95/89,629.89
6. Step 6: Final answer
   x = 45,687.90