Finding the Fourth Proportional to 20,234.54, 30,513.74 and 19,957.52

Step by Step Solution

1. Step 1: Write the proportion equation
   20,234.54 : 30,513.74 = 19,957.52 : x
2. Step 2: Convert to fraction form
   20,234.54/30,513.74 = 19,957.52/x
3. Step 3: Cross multiply
   20,234.54x = 30,513.74 × 19,957.52
4. Step 4: Simplify right side
   20,234.54x = 608,978,576.32
5. Step 5: Solve for x
   x = 608,978,576.32/20,234.54
6. Step 6: Final answer
   x = 30,095.99