Finding the Fourth Proportional to 96,443.62, 133,059.09 and 56,141.98

Step by Step Solution

1. Step 1: Write the proportion equation
   96,443.62 : 133,059.09 = 56,141.98 : x
2. Step 2: Convert to fraction form
   96,443.62/133,059.09 = 56,141.98/x
3. Step 3: Cross multiply
   96,443.62x = 133,059.09 × 56,141.98
4. Step 4: Simplify right side
   96,443.62x = 7,470,200,769.60
5. Step 5: Solve for x
   x = 7,470,200,769.60/96,443.62
6. Step 6: Final answer
   x = 77,456.66