Finding the Fourth Proportional to 13,732.34, 18,951.46 and 7,764.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,732.34 : 18,951.46 = 7,764.58 : x
2. Step 2: Convert to fraction form
   13,732.34/18,951.46 = 7,764.58/x
3. Step 3: Cross multiply
   13,732.34x = 18,951.46 × 7,764.58
4. Step 4: Simplify right side
   13,732.34x = 147,150,127.29
5. Step 5: Solve for x
   x = 147,150,127.29/13,732.34
6. Step 6: Final answer
   x = 10,715.59