Finding the Fourth Proportional to 11,866.56, 17,796.80 and 3,546.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,866.56 : 17,796.80 = 3,546.56 : x
2. Step 2: Convert to fraction form
   11,866.56/17,796.80 = 3,546.56/x
3. Step 3: Cross multiply
   11,866.56x = 17,796.80 × 3,546.56
4. Step 4: Simplify right side
   11,866.56x = 63,117,419.01
5. Step 5: Solve for x
   x = 63,117,419.01/11,866.56
6. Step 6: Final answer
   x = 5,318.93