Finding the Fourth Proportional to 57,383.34, 79,188.45 and 31,889.76

Step by Step Solution

1. Step 1: Write the proportion equation
   57,383.34 : 79,188.45 = 31,889.76 : x
2. Step 2: Convert to fraction form
   57,383.34/79,188.45 = 31,889.76/x
3. Step 3: Cross multiply
   57,383.34x = 79,188.45 × 31,889.76
4. Step 4: Simplify right side
   57,383.34x = 2,525,300,665.27
5. Step 5: Solve for x
   x = 2,525,300,665.27/57,383.34
6. Step 6: Final answer
   x = 44,007.56