Finding the Fourth Proportional to 13,074.89, 18,043.67 and 7,106.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.89 : 18,043.67 = 7,106.89 : x
2. Step 2: Convert to fraction form
   13,074.89/18,043.67 = 7,106.89/x
3. Step 3: Cross multiply
   13,074.89x = 18,043.67 × 7,106.89
4. Step 4: Simplify right side
   13,074.89x = 128,234,287.67
5. Step 5: Solve for x
   x = 128,234,287.67/13,074.89
6. Step 6: Final answer
   x = 9,807.68