Finding the Fourth Proportional to 89,128.54, 133,686.23 and 32,942.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,128.54 : 133,686.23 = 32,942.42 : x
2. Step 2: Convert to fraction form
   89,128.54/133,686.23 = 32,942.42/x
3. Step 3: Cross multiply
   89,128.54x = 133,686.23 × 32,942.42
4. Step 4: Simplify right side
   89,128.54x = 4,403,947,936.88
5. Step 5: Solve for x
   x = 4,403,947,936.88/89,128.54
6. Step 6: Final answer
   x = 49,411.20