Finding the Fourth Proportional to 13,048.42, 18,006.83 and 7,080.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,048.42 : 18,006.83 = 7,080.18 : x
2. Step 2: Convert to fraction form
   13,048.42/18,006.83 = 7,080.18/x
3. Step 3: Cross multiply
   13,048.42x = 18,006.83 × 7,080.18
4. Step 4: Simplify right side
   13,048.42x = 127,491,693.10
5. Step 5: Solve for x
   x = 127,491,693.10/13,048.42
6. Step 6: Final answer
   x = 9,770.66