Finding the Fourth Proportional to 13,050.62, 18,009.34 and 7,082.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.62 : 18,009.34 = 7,082.08 : x
2. Step 2: Convert to fraction form
   13,050.62/18,009.34 = 7,082.08/x
3. Step 3: Cross multiply
   13,050.62x = 18,009.34 × 7,082.08
4. Step 4: Simplify right side
   13,050.62x = 127,543,586.63
5. Step 5: Solve for x
   x = 127,543,586.63/13,050.62
6. Step 6: Final answer
   x = 9,772.99