Finding the Fourth Proportional to 11,958.17, 17,931.74 and 3,636.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,958.17 : 17,931.74 = 3,636.46 : x
2. Step 2: Convert to fraction form
   11,958.17/17,931.74 = 3,636.46/x
3. Step 3: Cross multiply
   11,958.17x = 17,931.74 × 3,636.46
4. Step 4: Simplify right side
   11,958.17x = 65,208,055.24
5. Step 5: Solve for x
   x = 65,208,055.24/11,958.17
6. Step 6: Final answer
   x = 5,453.01