Finding the Fourth Proportional to 56,973.78, 78,608.61 and 31,822.74

Step by Step Solution

1. Step 1: Write the proportion equation
   56,973.78 : 78,608.61 = 31,822.74 : x
2. Step 2: Convert to fraction form
   56,973.78/78,608.61 = 31,822.74/x
3. Step 3: Cross multiply
   56,973.78x = 78,608.61 × 31,822.74
4. Step 4: Simplify right side
   56,973.78x = 2,501,541,357.79
5. Step 5: Solve for x
   x = 2,501,541,357.79/56,973.78
6. Step 6: Final answer
   x = 43,906.89