Finding the Fourth Proportional to 129,682.75, 194,477.33 and 54,808.69

Step by Step Solution

1. Step 1: Write the proportion equation
   129,682.75 : 194,477.33 = 54,808.69 : x
2. Step 2: Convert to fraction form
   129,682.75/194,477.33 = 54,808.69/x
3. Step 3: Cross multiply
   129,682.75x = 194,477.33 × 54,808.69
4. Step 4: Simplify right side
   129,682.75x = 10,659,047,342.83
5. Step 5: Solve for x
   x = 10,659,047,342.83/129,682.75
6. Step 6: Final answer
   x = 82,193.26