Finding the Fourth Proportional to 11,662.84, 17,485.16 and 7,955.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.84 : 17,485.16 = 7,955.88 : x
2. Step 2: Convert to fraction form
   11,662.84/17,485.16 = 7,955.88/x
3. Step 3: Cross multiply
   11,662.84x = 17,485.16 × 7,955.88
4. Step 4: Simplify right side
   11,662.84x = 139,109,834.74
5. Step 5: Solve for x
   x = 139,109,834.74/11,662.84
6. Step 6: Final answer
   x = 11,927.61