Finding the Fourth Proportional to 129,434.04, 194,071.78 and 50,456

Step by Step Solution

1. Step 1: Write the proportion equation
   129,434.04 : 194,071.78 = 50,456 : x
2. Step 2: Convert to fraction form
   129,434.04/194,071.78 = 50,456/x
3. Step 3: Cross multiply
   129,434.04x = 194,071.78 × 50,456
4. Step 4: Simplify right side
   129,434.04x = 9,792,085,479.40
5. Step 5: Solve for x
   x = 9,792,085,479.40/129,434.04
6. Step 6: Final answer
   x = 75,653.09