Finding the Fourth Proportional to 71,786.96, 98,856.96 and 55,844.56

Step by Step Solution

1. Step 1: Write the proportion equation
   71,786.96 : 98,856.96 = 55,844.56 : x
2. Step 2: Convert to fraction form
   71,786.96/98,856.96 = 55,844.56/x
3. Step 3: Cross multiply
   71,786.96x = 98,856.96 × 55,844.56
4. Step 4: Simplify right side
   71,786.96x = 5,520,623,434.14
5. Step 5: Solve for x
   x = 5,520,623,434.14/71,786.96
6. Step 6: Final answer
   x = 76,902.87