Finding the Fourth Proportional to 11,984.86, 17,957.42 and 7,290.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,984.86 : 17,957.42 = 7,290.67 : x
2. Step 2: Convert to fraction form
   11,984.86/17,957.42 = 7,290.67/x
3. Step 3: Cross multiply
   11,984.86x = 17,957.42 × 7,290.67
4. Step 4: Simplify right side
   11,984.86x = 130,921,586.82
5. Step 5: Solve for x
   x = 130,921,586.82/11,984.86
6. Step 6: Final answer
   x = 10,923.92