Finding the Fourth Proportional to 55,785.72, 76,984.29 and 30,291.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,785.72 : 76,984.29 = 30,291.96 : x
2. Step 2: Convert to fraction form
   55,785.72/76,984.29 = 30,291.96/x
3. Step 3: Cross multiply
   55,785.72x = 76,984.29 × 30,291.96
4. Step 4: Simplify right side
   55,785.72x = 2,332,005,033.31
5. Step 5: Solve for x
   x = 2,332,005,033.31/55,785.72
6. Step 6: Final answer
   x = 41,802.90