Finding the Fourth Proportional to 13,082.17, 18,047.05 and 7,773.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,082.17 : 18,047.05 = 7,773.23 : x
2. Step 2: Convert to fraction form
   13,082.17/18,047.05 = 7,773.23/x
3. Step 3: Cross multiply
   13,082.17x = 18,047.05 × 7,773.23
4. Step 4: Simplify right side
   13,082.17x = 140,283,870.47
5. Step 5: Solve for x
   x = 140,283,870.47/13,082.17
6. Step 6: Final answer
   x = 10,723.29