Finding the Fourth Proportional to 11,186.47, 16,780.52 and 3,395.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,186.47 : 16,780.52 = 3,395.89 : x
2. Step 2: Convert to fraction form
   11,186.47/16,780.52 = 3,395.89/x
3. Step 3: Cross multiply
   11,186.47x = 16,780.52 × 3,395.89
4. Step 4: Simplify right side
   11,186.47x = 56,984,800.06
5. Step 5: Solve for x
   x = 56,984,800.06/11,186.47
6. Step 6: Final answer
   x = 5,094.08