Finding the Fourth Proportional to 10,764.72, 14,861.94 and 8,535.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,764.72 : 14,861.94 = 8,535.60 : x
2. Step 2: Convert to fraction form
   10,764.72/14,861.94 = 8,535.60/x
3. Step 3: Cross multiply
   10,764.72x = 14,861.94 × 8,535.60
4. Step 4: Simplify right side
   10,764.72x = 126,855,575.06
5. Step 5: Solve for x
   x = 126,855,575.06/10,764.72
6. Step 6: Final answer
   x = 11,784.38