Finding the Fourth Proportional to 13,082.94, 18,054.24 and 7,777.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,082.94 : 18,054.24 = 7,777.98 : x
2. Step 2: Convert to fraction form
   13,082.94/18,054.24 = 7,777.98/x
3. Step 3: Cross multiply
   13,082.94x = 18,054.24 × 7,777.98
4. Step 4: Simplify right side
   13,082.94x = 140,425,517.64
5. Step 5: Solve for x
   x = 140,425,517.64/13,082.94
6. Step 6: Final answer
   x = 10,733.48