Finding the Fourth Proportional to 56,945.34, 78,584.58 and 31,794.84

Step by Step Solution

1. Step 1: Write the proportion equation
   56,945.34 : 78,584.58 = 31,794.84 : x
2. Step 2: Convert to fraction form
   56,945.34/78,584.58 = 31,794.84/x
3. Step 3: Cross multiply
   56,945.34x = 78,584.58 × 31,794.84
4. Step 4: Simplify right side
   56,945.34x = 2,498,584,147.57
5. Step 5: Solve for x
   x = 2,498,584,147.57/56,945.34
6. Step 6: Final answer
   x = 43,876.89