Finding the Fourth Proportional to 129,683.04, 194,469.46 and 50,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   129,683.04 : 194,469.46 = 50,784.72 : x
2. Step 2: Convert to fraction form
   129,683.04/194,469.46 = 50,784.72/x
3. Step 3: Cross multiply
   129,683.04x = 194,469.46 × 50,784.72
4. Step 4: Simplify right side
   129,683.04x = 9,876,077,074.65
5. Step 5: Solve for x
   x = 9,876,077,074.65/129,683.04
6. Step 6: Final answer
   x = 76,155.50