Finding the Fourth Proportional to 31,858.38, 47,757.72 and 10,783.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,858.38 : 47,757.72 = 10,783.67 : x
2. Step 2: Convert to fraction form
   31,858.38/47,757.72 = 10,783.67/x
3. Step 3: Cross multiply
   31,858.38x = 47,757.72 × 10,783.67
4. Step 4: Simplify right side
   31,858.38x = 515,003,638.79
5. Step 5: Solve for x
   x = 515,003,638.79/31,858.38
6. Step 6: Final answer
   x = 16,165.41