Finding the Fourth Proportional to 11,973.05, 17,961.47 and 3,651.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,973.05 : 17,961.47 = 3,651.16 : x
2. Step 2: Convert to fraction form
   11,973.05/17,961.47 = 3,651.16/x
3. Step 3: Cross multiply
   11,973.05x = 17,961.47 × 3,651.16
4. Step 4: Simplify right side
   11,973.05x = 65,580,182.55
5. Step 5: Solve for x
   x = 65,580,182.55/11,973.05
6. Step 6: Final answer
   x = 5,477.32