Finding the Fourth Proportional to 55,786.59, 76,982.76 and 31,915.89

Step by Step Solution

1. Step 1: Write the proportion equation
   55,786.59 : 76,982.76 = 31,915.89 : x
2. Step 2: Convert to fraction form
   55,786.59/76,982.76 = 31,915.89/x
3. Step 3: Cross multiply
   55,786.59x = 76,982.76 × 31,915.89
4. Step 4: Simplify right side
   55,786.59x = 2,456,973,300.06
5. Step 5: Solve for x
   x = 2,456,973,300.06/55,786.59
6. Step 6: Final answer
   x = 44,042.36