Finding the Fourth Proportional to 13,050.33, 18,009.59 and 7,082.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.33 : 18,009.59 = 7,082.05 : x
2. Step 2: Convert to fraction form
   13,050.33/18,009.59 = 7,082.05/x
3. Step 3: Cross multiply
   13,050.33x = 18,009.59 × 7,082.05
4. Step 4: Simplify right side
   13,050.33x = 127,544,816.86
5. Step 5: Solve for x
   x = 127,544,816.86/13,050.33
6. Step 6: Final answer
   x = 9,773.30