Finding the Fourth Proportional to 13,353.52, 18,429.46 and 7,764.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,353.52 : 18,429.46 = 7,764.52 : x
2. Step 2: Convert to fraction form
   13,353.52/18,429.46 = 7,764.52/x
3. Step 3: Cross multiply
   13,353.52x = 18,429.46 × 7,764.52
4. Step 4: Simplify right side
   13,353.52x = 143,095,910.76
5. Step 5: Solve for x
   x = 143,095,910.76/13,353.52
6. Step 6: Final answer
   x = 10,715.97