Finding the Fourth Proportional to 55,866.82, 77,096.21 and 30,716.32

Step by Step Solution

1. Step 1: Write the proportion equation
   55,866.82 : 77,096.21 = 30,716.32 : x
2. Step 2: Convert to fraction form
   55,866.82/77,096.21 = 30,716.32/x
3. Step 3: Cross multiply
   55,866.82x = 77,096.21 × 30,716.32
4. Step 4: Simplify right side
   55,866.82x = 2,368,111,857.15
5. Step 5: Solve for x
   x = 2,368,111,857.15/55,866.82
6. Step 6: Final answer
   x = 42,388.52