Finding the Fourth Proportional to 129,762.27, 194,510.82 and 82,411.89

Step by Step Solution

1. Step 1: Write the proportion equation
   129,762.27 : 194,510.82 = 82,411.89 : x
2. Step 2: Convert to fraction form
   129,762.27/194,510.82 = 82,411.89/x
3. Step 3: Cross multiply
   129,762.27x = 194,510.82 × 82,411.89
4. Step 4: Simplify right side
   129,762.27x = 16,030,004,301.65
5. Step 5: Solve for x
   x = 16,030,004,301.65/129,762.27
6. Step 6: Final answer
   x = 123,533.63