Finding the Fourth Proportional to 127,914.32, 191,789.51 and 53,086.12

Step by Step Solution

1. Step 1: Write the proportion equation
   127,914.32 : 191,789.51 = 53,086.12 : x
2. Step 2: Convert to fraction form
   127,914.32/191,789.51 = 53,086.12/x
3. Step 3: Cross multiply
   127,914.32x = 191,789.51 × 53,086.12
4. Step 4: Simplify right side
   127,914.32x = 10,181,360,197.70
5. Step 5: Solve for x
   x = 10,181,360,197.70/127,914.32
6. Step 6: Final answer
   x = 79,595.15