Finding the Fourth Proportional to 13,050.72, 18,009.95 and 7,082.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.72 : 18,009.95 = 7,082.03 : x
2. Step 2: Convert to fraction form
   13,050.72/18,009.95 = 7,082.03/x
3. Step 3: Cross multiply
   13,050.72x = 18,009.95 × 7,082.03
4. Step 4: Simplify right side
   13,050.72x = 127,547,015.81
5. Step 5: Solve for x
   x = 127,547,015.81/13,050.72
6. Step 6: Final answer
   x = 9,773.18