Finding the Fourth Proportional to 57,093.86, 78,789.65 and 31,601.96

Step by Step Solution

1. Step 1: Write the proportion equation
   57,093.86 : 78,789.65 = 31,601.96 : x
2. Step 2: Convert to fraction form
   57,093.86/78,789.65 = 31,601.96/x
3. Step 3: Cross multiply
   57,093.86x = 78,789.65 × 31,601.96
4. Step 4: Simplify right side
   57,093.86x = 2,489,906,815.76
5. Step 5: Solve for x
   x = 2,489,906,815.76/57,093.86
6. Step 6: Final answer
   x = 43,610.77