Finding the Fourth Proportional to 55,260.82, 82,915.73 and 28,959.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,260.82 : 82,915.73 = 28,959.31 : x
2. Step 2: Convert to fraction form
   55,260.82/82,915.73 = 28,959.31/x
3. Step 3: Cross multiply
   55,260.82x = 82,915.73 × 28,959.31
4. Step 4: Simplify right side
   55,260.82x = 2,401,181,769.57
5. Step 5: Solve for x
   x = 2,401,181,769.57/55,260.82
6. Step 6: Final answer
   x = 43,451.80