Finding the Fourth Proportional to 82,078.56, 113,361.84 and 55,174.41

Step by Step Solution

1. Step 1: Write the proportion equation
   82,078.56 : 113,361.84 = 55,174.41 : x
2. Step 2: Convert to fraction form
   82,078.56/113,361.84 = 55,174.41/x
3. Step 3: Cross multiply
   82,078.56x = 113,361.84 × 55,174.41
4. Step 4: Simplify right side
   82,078.56x = 6,254,672,638.51
5. Step 5: Solve for x
   x = 6,254,672,638.51/82,078.56
6. Step 6: Final answer
   x = 76,203.49