Finding the Fourth Proportional to 10,803.42, 16,191.29 and 8,333.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,803.42 : 16,191.29 = 8,333.06 : x
2. Step 2: Convert to fraction form
   10,803.42/16,191.29 = 8,333.06/x
3. Step 3: Cross multiply
   10,803.42x = 16,191.29 × 8,333.06
4. Step 4: Simplify right side
   10,803.42x = 134,922,868.43
5. Step 5: Solve for x
   x = 134,922,868.43/10,803.42
6. Step 6: Final answer
   x = 12,488.90