Finding the Fourth Proportional to 127,136.40, 175,456.56 and 73,423.68

Step by Step Solution

1. Step 1: Write the proportion equation
   127,136.40 : 175,456.56 = 73,423.68 : x
2. Step 2: Convert to fraction form
   127,136.40/175,456.56 = 73,423.68/x
3. Step 3: Cross multiply
   127,136.40x = 175,456.56 × 73,423.68
4. Step 4: Simplify right side
   127,136.40x = 12,882,666,315.34
5. Step 5: Solve for x
   x = 12,882,666,315.34/127,136.40
6. Step 6: Final answer
   x = 101,329.49