Finding the Fourth Proportional to 55,276.55, 76,281.90 and 31,404.54

Step by Step Solution

1. Step 1: Write the proportion equation
   55,276.55 : 76,281.90 = 31,404.54 : x
2. Step 2: Convert to fraction form
   55,276.55/76,281.90 = 31,404.54/x
3. Step 3: Cross multiply
   55,276.55x = 76,281.90 × 31,404.54
4. Step 4: Simplify right side
   55,276.55x = 2,395,597,979.83
5. Step 5: Solve for x
   x = 2,395,597,979.83/55,276.55
6. Step 6: Final answer
   x = 43,338.41