Finding the Fourth Proportional to 55,276.47, 76,281.82 and 31,404.51

Step by Step Solution

1. Step 1: Write the proportion equation
   55,276.47 : 76,281.82 = 31,404.51 : x
2. Step 2: Convert to fraction form
   55,276.47/76,281.82 = 31,404.51/x
3. Step 3: Cross multiply
   55,276.47x = 76,281.82 × 31,404.51
4. Step 4: Simplify right side
   55,276.47x = 2,395,593,100.50
5. Step 5: Solve for x
   x = 2,395,593,100.50/55,276.47
6. Step 6: Final answer
   x = 43,338.39