Finding the Fourth Proportional to 56,108.22, 77,429.61 and 30,957.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,108.22 : 77,429.61 = 30,957.72 : x
2. Step 2: Convert to fraction form
   56,108.22/77,429.61 = 30,957.72/x
3. Step 3: Cross multiply
   56,108.22x = 77,429.61 × 30,957.72
4. Step 4: Simplify right side
   56,108.22x = 2,397,044,186.09
5. Step 5: Solve for x
   x = 2,397,044,186.09/56,108.22
6. Step 6: Final answer
   x = 42,721.80