Finding the Fourth Proportional to 89,651.82, 134,438.84 and 30,471.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,651.82 : 134,438.84 = 30,471.60 : x
2. Step 2: Convert to fraction form
   89,651.82/134,438.84 = 30,471.60/x
3. Step 3: Cross multiply
   89,651.82x = 134,438.84 × 30,471.60
4. Step 4: Simplify right side
   89,651.82x = 4,096,566,556.94
5. Step 5: Solve for x
   x = 4,096,566,556.94/89,651.82
6. Step 6: Final answer
   x = 45,694.18