Finding the Fourth Proportional to 13,096.74, 18,065.34 and 7,989.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.74 : 18,065.34 = 7,989.93 : x
2. Step 2: Convert to fraction form
   13,096.74/18,065.34 = 7,989.93/x
3. Step 3: Cross multiply
   13,096.74x = 18,065.34 × 7,989.93
4. Step 4: Simplify right side
   13,096.74x = 144,340,802.03
5. Step 5: Solve for x
   x = 144,340,802.03/13,096.74
6. Step 6: Final answer
   x = 11,021.12