Finding the Fourth Proportional to 127,550.98, 176,021.97 and 70,196.90

Step by Step Solution

1. Step 1: Write the proportion equation
   127,550.98 : 176,021.97 = 70,196.90 : x
2. Step 2: Convert to fraction form
   127,550.98/176,021.97 = 70,196.90/x
3. Step 3: Cross multiply
   127,550.98x = 176,021.97 × 70,196.90
4. Step 4: Simplify right side
   127,550.98x = 12,356,196,625.89
5. Step 5: Solve for x
   x = 12,356,196,625.89/127,550.98
6. Step 6: Final answer
   x = 96,872.61