Finding the Fourth Proportional to 56,034.51, 77,324.83 and 30,540.79

Step by Step Solution

1. Step 1: Write the proportion equation
   56,034.51 : 77,324.83 = 30,540.79 : x
2. Step 2: Convert to fraction form
   56,034.51/77,324.83 = 30,540.79/x
3. Step 3: Cross multiply
   56,034.51x = 77,324.83 × 30,540.79
4. Step 4: Simplify right side
   56,034.51x = 2,361,561,394.82
5. Step 5: Solve for x
   x = 2,361,561,394.82/56,034.51
6. Step 6: Final answer
   x = 42,144.77