Finding the Fourth Proportional to 127,908.72, 191,781.05 and 53,080.52

Step by Step Solution

1. Step 1: Write the proportion equation
   127,908.72 : 191,781.05 = 53,080.52 : x
2. Step 2: Convert to fraction form
   127,908.72/191,781.05 = 53,080.52/x
3. Step 3: Cross multiply
   127,908.72x = 191,781.05 × 53,080.52
4. Step 4: Simplify right side
   127,908.72x = 10,179,836,635.84
5. Step 5: Solve for x
   x = 10,179,836,635.84/127,908.72
6. Step 6: Final answer
   x = 79,586.73