Finding the Fourth Proportional to 127,273.60, 175,656.72 and 91,581.76

Step by Step Solution

1. Step 1: Write the proportion equation
   127,273.60 : 175,656.72 = 91,581.76 : x
2. Step 2: Convert to fraction form
   127,273.60/175,656.72 = 91,581.76/x
3. Step 3: Cross multiply
   127,273.60x = 175,656.72 × 91,581.76
4. Step 4: Simplify right side
   127,273.60x = 16,086,951,573.43
5. Step 5: Solve for x
   x = 16,086,951,573.43/127,273.60
6. Step 6: Final answer
   x = 126,396.61