Finding the Fourth Proportional to 55,325.73, 76,338.72 and 31,448.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,325.73 : 76,338.72 = 31,448.34 : x
2. Step 2: Convert to fraction form
   55,325.73/76,338.72 = 31,448.34/x
3. Step 3: Cross multiply
   55,325.73x = 76,338.72 × 31,448.34
4. Step 4: Simplify right side
   55,325.73x = 2,400,726,021.72
5. Step 5: Solve for x
   x = 2,400,726,021.72/55,325.73
6. Step 6: Final answer
   x = 43,392.58