Finding the Fourth Proportional to 127,826.38, 191,460.72 and 105,387.76

Step by Step Solution

1. Step 1: Write the proportion equation
   127,826.38 : 191,460.72 = 105,387.76 : x
2. Step 2: Convert to fraction form
   127,826.38/191,460.72 = 105,387.76/x
3. Step 3: Cross multiply
   127,826.38x = 191,460.72 × 105,387.76
4. Step 4: Simplify right side
   127,826.38x = 20,177,617,043.32
5. Step 5: Solve for x
   x = 20,177,617,043.32/127,826.38
6. Step 6: Final answer
   x = 157,851.74