Finding the Fourth Proportional to 127,724.27, 191,609.60 and 52,803.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,724.27 : 191,609.60 = 52,803.72 : x
2. Step 2: Convert to fraction form
   127,724.27/191,609.60 = 52,803.72/x
3. Step 3: Cross multiply
   127,724.27x = 191,609.60 × 52,803.72
4. Step 4: Simplify right side
   127,724.27x = 10,117,699,403.69
5. Step 5: Solve for x
   x = 10,117,699,403.69/127,724.27
6. Step 6: Final answer
   x = 79,215.17