Finding the Fourth Proportional to 127,426.23, 176,665.52 and 120,340.35

Step by Step Solution

1. Step 1: Write the proportion equation
   127,426.23 : 176,665.52 = 120,340.35 : x
2. Step 2: Convert to fraction form
   127,426.23/176,665.52 = 120,340.35/x
3. Step 3: Cross multiply
   127,426.23x = 176,665.52 × 120,340.35
4. Step 4: Simplify right side
   127,426.23x = 21,259,990,810.58
5. Step 5: Solve for x
   x = 21,259,990,810.58/127,426.23
6. Step 6: Final answer
   x = 166,841.56