Finding the Fourth Proportional to 11,866.39, 17,803.16 and 3,546.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,866.39 : 17,803.16 = 3,546.68 : x
2. Step 2: Convert to fraction form
   11,866.39/17,803.16 = 3,546.68/x
3. Step 3: Cross multiply
   11,866.39x = 17,803.16 × 3,546.68
4. Step 4: Simplify right side
   11,866.39x = 63,142,004.76
5. Step 5: Solve for x
   x = 63,142,004.76/11,866.39
6. Step 6: Final answer
   x = 5,321.08