Finding the Fourth Proportional to 10,762.72, 14,859.18 and 8,533.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,762.72 : 14,859.18 = 8,533.60 : x
2. Step 2: Convert to fraction form
   10,762.72/14,859.18 = 8,533.60/x
3. Step 3: Cross multiply
   10,762.72x = 14,859.18 × 8,533.60
4. Step 4: Simplify right side
   10,762.72x = 126,802,298.45
5. Step 5: Solve for x
   x = 126,802,298.45/10,762.72
6. Step 6: Final answer
   x = 11,781.62