Finding the Fourth Proportional to 127,141.92, 175,456.53 and 70,553.30

Step by Step Solution

1. Step 1: Write the proportion equation
   127,141.92 : 175,456.53 = 70,553.30 : x
2. Step 2: Convert to fraction form
   127,141.92/175,456.53 = 70,553.30/x
3. Step 3: Cross multiply
   127,141.92x = 175,456.53 × 70,553.30
4. Step 4: Simplify right side
   127,141.92x = 12,379,036,320.77
5. Step 5: Solve for x
   x = 12,379,036,320.77/127,141.92
6. Step 6: Final answer
   x = 97,363.92