Finding the Fourth Proportional to 12,204.84, 16,837.35 and 7,160.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,204.84 : 16,837.35 = 7,160.16 : x
2. Step 2: Convert to fraction form
   12,204.84/16,837.35 = 7,160.16/x
3. Step 3: Cross multiply
   12,204.84x = 16,837.35 × 7,160.16
4. Step 4: Simplify right side
   12,204.84x = 120,558,119.98
5. Step 5: Solve for x
   x = 120,558,119.98/12,204.84
6. Step 6: Final answer
   x = 9,877.89