Finding the Fourth Proportional to 91,727.86, 126,530.72 and 57,682.48

Step by Step Solution

1. Step 1: Write the proportion equation
   91,727.86 : 126,530.72 = 57,682.48 : x
2. Step 2: Convert to fraction form
   91,727.86/126,530.72 = 57,682.48/x
3. Step 3: Cross multiply
   91,727.86x = 126,530.72 × 57,682.48
4. Step 4: Simplify right side
   91,727.86x = 7,298,605,725.79
5. Step 5: Solve for x
   x = 7,298,605,725.79/91,727.86
6. Step 6: Final answer
   x = 79,568.04