Finding the Fourth Proportional to 127,704.72, 176,141.88 and 108,451.56

Step by Step Solution

1. Step 1: Write the proportion equation
   127,704.72 : 176,141.88 = 108,451.56 : x
2. Step 2: Convert to fraction form
   127,704.72/176,141.88 = 108,451.56/x
3. Step 3: Cross multiply
   127,704.72x = 176,141.88 × 108,451.56
4. Step 4: Simplify right side
   127,704.72x = 19,102,861,667.33
5. Step 5: Solve for x
   x = 19,102,861,667.33/127,704.72
6. Step 6: Final answer
   x = 149,586.18