Finding the Fourth Proportional to 127,695, 176,139.18 and 91,828.20

Step by Step Solution

1. Step 1: Write the proportion equation
   127,695 : 176,139.18 = 91,828.20 : x
2. Step 2: Convert to fraction form
   127,695/176,139.18 = 91,828.20/x
3. Step 3: Cross multiply
   127,695x = 176,139.18 × 91,828.20
4. Step 4: Simplify right side
   127,695x = 16,174,543,848.88
5. Step 5: Solve for x
   x = 16,174,543,848.88/127,695
6. Step 6: Final answer
   x = 126,665.44