Finding the Fourth Proportional to 13,732.56, 18,949.80 and 7,764.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,732.56 : 18,949.80 = 7,764.84 : x
2. Step 2: Convert to fraction form
   13,732.56/18,949.80 = 7,764.84/x
3. Step 3: Cross multiply
   13,732.56x = 18,949.80 × 7,764.84
4. Step 4: Simplify right side
   13,732.56x = 147,142,165.03
5. Step 5: Solve for x
   x = 147,142,165.03/13,732.56
6. Step 6: Final answer
   x = 10,714.84