Finding the Fourth Proportional to 127,667.25, 176,186.27 and 71,078.63

Step by Step Solution

1. Step 1: Write the proportion equation
   127,667.25 : 176,186.27 = 71,078.63 : x
2. Step 2: Convert to fraction form
   127,667.25/176,186.27 = 71,078.63/x
3. Step 3: Cross multiply
   127,667.25x = 176,186.27 × 71,078.63
4. Step 4: Simplify right side
   127,667.25x = 12,523,077,993.18
5. Step 5: Solve for x
   x = 12,523,077,993.18/127,667.25
6. Step 6: Final answer
   x = 98,091.55