Finding the Fourth Proportional to 14,487.46, 21,740.91 and 5,127.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,487.46 : 21,740.91 = 5,127.50 : x
2. Step 2: Convert to fraction form
   14,487.46/21,740.91 = 5,127.50/x
3. Step 3: Cross multiply
   14,487.46x = 21,740.91 × 5,127.50
4. Step 4: Simplify right side
   14,487.46x = 111,476,516.03
5. Step 5: Solve for x
   x = 111,476,516.03/14,487.46
6. Step 6: Final answer
   x = 7,694.69