Finding the Fourth Proportional to 11,736.50, 17,606.16 and 3,945.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,736.50 : 17,606.16 = 3,945.51 : x
2. Step 2: Convert to fraction form
   11,736.50/17,606.16 = 3,945.51/x
3. Step 3: Cross multiply
   11,736.50x = 17,606.16 × 3,945.51
4. Step 4: Simplify right side
   11,736.50x = 69,465,280.34
5. Step 5: Solve for x
   x = 69,465,280.34/11,736.50
6. Step 6: Final answer
   x = 5,918.74