Finding the Fourth Proportional to 127,604.82, 191,288.79 and 56,489.52

Step by Step Solution

1. Step 1: Write the proportion equation
   127,604.82 : 191,288.79 = 56,489.52 : x
2. Step 2: Convert to fraction form
   127,604.82/191,288.79 = 56,489.52/x
3. Step 3: Cross multiply
   127,604.82x = 191,288.79 × 56,489.52
4. Step 4: Simplify right side
   127,604.82x = 10,805,811,928.48
5. Step 5: Solve for x
   x = 10,805,811,928.48/127,604.82
6. Step 6: Final answer
   x = 84,681.85