Finding the Fourth Proportional to 76,727.76, 105,876.72 and 56,595.48

Step by Step Solution

1. Step 1: Write the proportion equation
   76,727.76 : 105,876.72 = 56,595.48 : x
2. Step 2: Convert to fraction form
   76,727.76/105,876.72 = 56,595.48/x
3. Step 3: Cross multiply
   76,727.76x = 105,876.72 × 56,595.48
4. Step 4: Simplify right side
   76,727.76x = 5,992,143,789.23
5. Step 5: Solve for x
   x = 5,992,143,789.23/76,727.76
6. Step 6: Final answer
   x = 78,096.16