Finding the Fourth Proportional to 13,050.34, 18,009.30 and 7,081.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.34 : 18,009.30 = 7,081.96 : x
2. Step 2: Convert to fraction form
   13,050.34/18,009.30 = 7,081.96/x
3. Step 3: Cross multiply
   13,050.34x = 18,009.30 × 7,081.96
4. Step 4: Simplify right side
   13,050.34x = 127,541,142.23
5. Step 5: Solve for x
   x = 127,541,142.23/13,050.34
6. Step 6: Final answer
   x = 9,773.01