Finding the Fourth Proportional to 56,118.88, 77,443.99 and 30,968.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,118.88 : 77,443.99 = 30,968.38 : x
2. Step 2: Convert to fraction form
   56,118.88/77,443.99 = 30,968.38/x
3. Step 3: Cross multiply
   56,118.88x = 77,443.99 × 30,968.38
4. Step 4: Simplify right side
   56,118.88x = 2,398,314,911.04
5. Step 5: Solve for x
   x = 2,398,314,911.04/56,118.88
6. Step 6: Final answer
   x = 42,736.33