Finding the Fourth Proportional to 127,404, 189,760.32 and 120,742.56

Step by Step Solution

1. Step 1: Write the proportion equation
   127,404 : 189,760.32 = 120,742.56 : x
2. Step 2: Convert to fraction form
   127,404/189,760.32 = 120,742.56/x
3. Step 3: Cross multiply
   127,404x = 189,760.32 × 120,742.56
4. Step 4: Simplify right side
   127,404x = 22,912,146,823.22
5. Step 5: Solve for x
   x = 22,912,146,823.22/127,404
6. Step 6: Final answer
   x = 179,838.52