Finding the Fourth Proportional to 89,345.92, 133,977.28 and 33,146.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,345.92 : 133,977.28 = 33,146.88 : x
2. Step 2: Convert to fraction form
   89,345.92/133,977.28 = 33,146.88/x
3. Step 3: Cross multiply
   89,345.92x = 133,977.28 × 33,146.88
4. Step 4: Simplify right side
   89,345.92x = 4,440,928,822.89
5. Step 5: Solve for x
   x = 4,440,928,822.89/89,345.92
6. Step 6: Final answer
   x = 49,704.89