Finding the Fourth Proportional to 12,191.16, 16,823.82 and 6,602.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,191.16 : 16,823.82 = 6,602.16 : x
2. Step 2: Convert to fraction form
   12,191.16/16,823.82 = 6,602.16/x
3. Step 3: Cross multiply
   12,191.16x = 16,823.82 × 6,602.16
4. Step 4: Simplify right side
   12,191.16x = 111,073,551.45
5. Step 5: Solve for x
   x = 111,073,551.45/12,191.16
6. Step 6: Final answer
   x = 9,110.99