Finding the Fourth Proportional to 11,972.34, 17,960.94 and 4,956.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,972.34 : 17,960.94 = 4,956.12 : x
2. Step 2: Convert to fraction form
   11,972.34/17,960.94 = 4,956.12/x
3. Step 3: Cross multiply
   11,972.34x = 17,960.94 × 4,956.12
4. Step 4: Simplify right side
   11,972.34x = 89,016,573.95
5. Step 5: Solve for x
   x = 89,016,573.95/11,972.34
6. Step 6: Final answer
   x = 7,435.19