Finding the Fourth Proportional to 10,200.53, 14,047.83 and 8,855.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.53 : 14,047.83 = 8,855.53 : x
2. Step 2: Convert to fraction form
   10,200.53/14,047.83 = 8,855.53/x
3. Step 3: Cross multiply
   10,200.53x = 14,047.83 × 8,855.53
4. Step 4: Simplify right side
   10,200.53x = 124,400,944.88
5. Step 5: Solve for x
   x = 124,400,944.88/10,200.53
6. Step 6: Final answer
   x = 12,195.53