Finding the Fourth Proportional to 70,945.56, 106,257.24 and 55,022.76

Step by Step Solution

1. Step 1: Write the proportion equation
   70,945.56 : 106,257.24 = 55,022.76 : x
2. Step 2: Convert to fraction form
   70,945.56/106,257.24 = 55,022.76/x
3. Step 3: Cross multiply
   70,945.56x = 106,257.24 × 55,022.76
4. Step 4: Simplify right side
   70,945.56x = 5,846,566,614.78
5. Step 5: Solve for x
   x = 5,846,566,614.78/70,945.56
6. Step 6: Final answer
   x = 82,409.20