Finding the Fourth Proportional to 127,641.52, 176,143.82 and 70,279.65

Step by Step Solution

1. Step 1: Write the proportion equation
   127,641.52 : 176,143.82 = 70,279.65 : x
2. Step 2: Convert to fraction form
   127,641.52/176,143.82 = 70,279.65/x
3. Step 3: Cross multiply
   127,641.52x = 176,143.82 × 70,279.65
4. Step 4: Simplify right side
   127,641.52x = 12,379,325,667.86
5. Step 5: Solve for x
   x = 12,379,325,667.86/127,641.52
6. Step 6: Final answer
   x = 96,985.10