Finding the Fourth Proportional to 11,970.72, 17,941.50 and 5,395.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11,970.72 : 17,941.50 = 5,395.14 : x
2. Step 2: Convert to fraction form
   11,970.72/17,941.50 = 5,395.14/x
3. Step 3: Cross multiply
   11,970.72x = 17,941.50 × 5,395.14
4. Step 4: Simplify right side
   11,970.72x = 96,796,904.31
5. Step 5: Solve for x
   x = 96,796,904.31/11,970.72
6. Step 6: Final answer
   x = 8,086.14