Finding the Fourth Proportional to 127,647.48, 176,146.59 and 70,275.59

Step by Step Solution

1. Step 1: Write the proportion equation
   127,647.48 : 176,146.59 = 70,275.59 : x
2. Step 2: Convert to fraction form
   127,647.48/176,146.59 = 70,275.59/x
3. Step 3: Cross multiply
   127,647.48x = 176,146.59 × 70,275.59
4. Step 4: Simplify right side
   127,647.48x = 12,378,804,658.01
5. Step 5: Solve for x
   x = 12,378,804,658.01/127,647.48
6. Step 6: Final answer
   x = 96,976.49