Finding the Fourth Proportional to 57,003.57, 78,664.37 and 31,853.07

Step by Step Solution

1. Step 1: Write the proportion equation
   57,003.57 : 78,664.37 = 31,853.07 : x
2. Step 2: Convert to fraction form
   57,003.57/78,664.37 = 31,853.07/x
3. Step 3: Cross multiply
   57,003.57x = 78,664.37 × 31,853.07
4. Step 4: Simplify right side
   57,003.57x = 2,505,701,524.85
5. Step 5: Solve for x
   x = 2,505,701,524.85/57,003.57
6. Step 6: Final answer
   x = 43,956.92