Finding the Fourth Proportional to 12,389.42, 17,093.21 and 7,080.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389.42 : 17,093.21 = 7,080.48 : x
2. Step 2: Convert to fraction form
   12,389.42/17,093.21 = 7,080.48/x
3. Step 3: Cross multiply
   12,389.42x = 17,093.21 × 7,080.48
4. Step 4: Simplify right side
   12,389.42x = 121,028,096.14
5. Step 5: Solve for x
   x = 121,028,096.14/12,389.42
6. Step 6: Final answer
   x = 9,768.67