Finding the Fourth Proportional to 39,890.31, 59,844.67 and 13,234.31

Step by Step Solution

1. Step 1: Write the proportion equation
   39,890.31 : 59,844.67 = 13,234.31 : x
2. Step 2: Convert to fraction form
   39,890.31/59,844.67 = 13,234.31/x
3. Step 3: Cross multiply
   39,890.31x = 59,844.67 × 13,234.31
4. Step 4: Simplify right side
   39,890.31x = 792,003,049.49
5. Step 5: Solve for x
   x = 792,003,049.49/39,890.31
6. Step 6: Final answer
   x = 19,854.52