Finding the Fourth Proportional to 55,648.82, 76,792.66 and 31,450.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,648.82 : 76,792.66 = 31,450.28 : x
2. Step 2: Convert to fraction form
   55,648.82/76,792.66 = 31,450.28/x
3. Step 3: Cross multiply
   55,648.82x = 76,792.66 × 31,450.28
4. Step 4: Simplify right side
   55,648.82x = 2,415,150,196.36
5. Step 5: Solve for x
   x = 2,415,150,196.36/55,648.82
6. Step 6: Final answer
   x = 43,399.84