Finding the Fourth Proportional to 55,996.80, 77,275.59 and 30,846.30

Step by Step Solution

1. Step 1: Write the proportion equation
   55,996.80 : 77,275.59 = 30,846.30 : x
2. Step 2: Convert to fraction form
   55,996.80/77,275.59 = 30,846.30/x
3. Step 3: Cross multiply
   55,996.80x = 77,275.59 × 30,846.30
4. Step 4: Simplify right side
   55,996.80x = 2,383,666,031.82
5. Step 5: Solve for x
   x = 2,383,666,031.82/55,996.80
6. Step 6: Final answer
   x = 42,567.90