Finding the Fourth Proportional to 55,228.06, 76,216.56 and 31,033.30

Step by Step Solution

1. Step 1: Write the proportion equation
   55,228.06 : 76,216.56 = 31,033.30 : x
2. Step 2: Convert to fraction form
   55,228.06/76,216.56 = 31,033.30/x
3. Step 3: Cross multiply
   55,228.06x = 76,216.56 × 31,033.30
4. Step 4: Simplify right side
   55,228.06x = 2,365,251,371.45
5. Step 5: Solve for x
   x = 2,365,251,371.45/55,228.06
6. Step 6: Final answer
   x = 42,826.99