Finding the Fourth Proportional to 56,255.86, 77,630.61 and 31,104.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,255.86 : 77,630.61 = 31,104.82 : x
2. Step 2: Convert to fraction form
   56,255.86/77,630.61 = 31,104.82/x
3. Step 3: Cross multiply
   56,255.86x = 77,630.61 × 31,104.82
4. Step 4: Simplify right side
   56,255.86x = 2,414,686,150.54
5. Step 5: Solve for x
   x = 2,414,686,150.54/56,255.86
6. Step 6: Final answer
   x = 42,923.28