Finding the Fourth Proportional to 56,086.22, 77,397.62 and 30,935.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,086.22 : 77,397.62 = 30,935.18 : x
2. Step 2: Convert to fraction form
   56,086.22/77,397.62 = 30,935.18/x
3. Step 3: Cross multiply
   56,086.22x = 77,397.62 × 30,935.18
4. Step 4: Simplify right side
   56,086.22x = 2,394,309,306.27
5. Step 5: Solve for x
   x = 2,394,309,306.27/56,086.22
6. Step 6: Final answer
   x = 42,689.80