Finding the Fourth Proportional to 13,069.53, 18,036.24 and 7,764.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,069.53 : 18,036.24 = 7,764.36 : x
2. Step 2: Convert to fraction form
   13,069.53/18,036.24 = 7,764.36/x
3. Step 3: Cross multiply
   13,069.53x = 18,036.24 × 7,764.36
4. Step 4: Simplify right side
   13,069.53x = 140,039,860.41
5. Step 5: Solve for x
   x = 140,039,860.41/13,069.53
6. Step 6: Final answer
   x = 10,714.99